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Class Information
Number: 152/209.1
Name: Resilient tires and wheels > Tires, resilient > Anti-skid devices > Tread
Description: Devices wherein the tread of the tire constitutes the anti-skid device.


Sub-classes under this class:

Class Number Class Name Patents
152/209.15 Characterized by shape of upper surface of tread element (e.g., block with upper convex surface, etc.) 117
152/209.12 Containing lugs having or appearing to have net to gross ratios of less than 35 percent (e.g., farm equipment, tractor tire, etc.) 76
152/209.4 Containing randomly dispersed short fibers or anti-skid granules 63
152/209.2 For controlling noise by varying design cycle (e.g., specified pitch ratio, pitch sequence, etc.) 83
152/209.11 For sidewall-running tires (e.g., unicycle, motorcycle, bicycle, etc.) 58
152/209.8 Having asymmetric tread pattern 93
152/209.28 Having directional two dimensional pattern (e.g., "v" shaped, etc.) 167
152/209.18 Having groove or sipe with specified dimension or structure therewithin 311
152/209.17 Having isolated holes or suction cups 75
152/209.16 Having specified tread shoulder structure 117
152/209.14 Having tire tread profile defined by diverse radii of curvature 111
152/209.5 Having tread sections (e.g., base-cap, etc.) containing different specified physio-chemical properties (e.g., hysteresis, modulus, hardness, etc.) or compositions 234
152/210 With embedded anti-skid elements 88


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
7621543 Blow-molded wheels having undercut treads, methods for producing the same, and children's ride-on vehicles including the same Nov. 24, 2009
7617854 Method for manufacturing a pneumatic tire and a pneumatic tire obtained thereby Nov. 17, 2009
7615591 Rubber composition, method of producing the same and tire using the same Nov. 10, 2009
7612144 Use of sulfur containing initiators for anionic polymerization of monomers Nov. 3, 2009
7543616 Heavy duty tire with tread portion having three longitudinal main grooves Jun. 9, 2009
7534828 Pneumatic tire having a rubber component containing N, N'-(m-phenylene) bismaleamic acid May. 19, 2009
7528186 Silica reinforced rubber composition containing an ionic compound and article having a component thereof May. 5, 2009
7511108 Pneumatic tire Mar. 31, 2009
7493927 Rubber composition Feb. 24, 2009
7491767 Tire tread reinforced with a silica of very low specific surface area Feb. 17, 2009
7488768 Rubber composition comprising a polyfunctional organosilane as coupling agent Feb. 10, 2009
7472732 Rubber composition and competition tire using the same Jan. 6, 2009
7469731 Heavy-duty tire having ground-contact surface shape Dec. 30, 2008
7462677 Sulfur containing initiators for anionic polymerization of monomers Dec. 9, 2008
7441572 Pneumatic tire having a tread containing immiscible rubber blend and silica Oct. 28, 2008
7431061 Rubber composition for a tire tread Oct. 7, 2008
7406990 Runflat tire with sidewall component containing high strength glass bubbles Aug. 5, 2008
7404423 Pneumatic tire with tread including blocks having approximately equal aspect ratios Jul. 29, 2008
7398810 Tire having an element or covering attached to a surface thereof Jul. 15, 2008
7392832 Pneumatic tire having tread blocks with skewed walls Jul. 1, 2008
7378465 Tire components having improved modulus May. 27, 2008
7367369 Aircraft tire May. 6, 2008
7347237 Rubber composition containing resinous nanoparticle Mar. 25, 2008
7337815 Tire with tread of rubber composition containing diverse carbon blacks Mar. 4, 2008
7319123 Use of sulfur containing initiators for anionic polymerization of monomers Jan. 15, 2008
7307121 Silica containing rubber composition Dec. 11, 2007
7280951 Method of making finite element model of tire having fine groove Oct. 9, 2007
7275572 Eco tire Oct. 2, 2007
7259205 Pneumatic tire Aug. 21, 2007
7256233 Tire rubber composition based on a reinforcing aluminosilicate Aug. 14, 2007
7253235 Rubber composition for a tire and tire using the same Aug. 7, 2007
7247669 Rubber prepared with precipitated silica and carbon black pellet composites of controlled hardness and tire with component derived therefrom Jul. 24, 2007
7234498 Self-luminescent pneumatic tire Jun. 26, 2007
7235599 Rubber composition and racing tire having tread comprising thereof Jun. 26, 2007
7222650 Tire with a tread comprising a rubbery polymer of a functionalized monomer May. 29, 2007
7214731 Tire with low hydrocarbon emission rubber combination of tread and sidewall components with compositional limitations May. 8, 2007
7207366 Two-piece tire Apr. 24, 2007
7205360 Preparation process for block copolymers for tire tread compositions, and such copolymers Apr. 17, 2007
7199175 Tread for a tire having a rigidity gradient Apr. 3, 2007
7169868 Molding material for ozone-resistant articles and ozone-resistant injection-molded articles Jan. 30, 2007
7156407 Wheelchair tire Jan. 2, 2007
7144465 Crosslinkable elastomeric composition, tire including a crosslinked elastomeric material, and process for producing the tire Dec. 5, 2006
7137423 Tire with component comprised of amine functionalized styrene/diene copolymer elastomer, silanol functionalized carbon black and coupling agent Nov. 21, 2006
7108033 Synthetic rubber that exhibits low hysteresis Sep. 19, 2006
7104299 Two piece tire with improved tire tread belt Sep. 12, 2006
7096903 Pneumatic tire having a component containing a rubber triblend and silica Aug. 29, 2006
7093629 Pneumatic tire and method of manufacturing rubber component therefor Aug. 22, 2006
7093634 Two piece tire with improved tire tread belt Aug. 22, 2006
7084228 Rubber composition for a tire tread Aug. 1, 2006
7078449 Rubber compositions for use in tires, comprising a (white filler/elastomer) coupling agent with an ester function Jul. 18, 2006

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