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Class Information
Number: 428/131
Name: Stock material or miscellaneous articles > Structurally defined web or sheet (e.g., overall dimension, etc.) > Including aperture
Description: Product wherein the web or sheet or a component thereof, has one or more discrete through openings with the peripheral wall or walls of each opening defined by either a line or closed loop passing through the thickness of the component while following a unidirectional or multidirectional rectilinar path.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4835034 |
Insulation board and composite sheet |
May. 30, 1989 |
| 4832997 |
Production of asymmetrical microporous membranes by double irradiation and asymmetrical membranes |
May. 23, 1989 |
| 4822662 |
Machine parts with wear-resistant surface brought into contact with elongated fibrous member |
Apr. 18, 1989 |
| 4818579 |
Sheet for forming twisted flaps in continuous arrangement and method of producing same |
Apr. 4, 1989 |
| 4814216 |
Transparency medium for automatic printers |
Mar. 21, 1989 |
| 4806288 |
Packing elements |
Feb. 21, 1989 |
| 4806334 |
Glazed ceramic substrate |
Feb. 21, 1989 |
| 4806405 |
Method and injection molding tool for producing link belts |
Feb. 21, 1989 |
| 4803108 |
Honeycomb reinforcing sheet for the reinforcement of panels and method of reinforcing panels |
Feb. 7, 1989 |
| 4803110 |
Coated mask for photolithographic construction of electric circuits |
Feb. 7, 1989 |
| 4797523 |
Cover for an open container, whose content is to be heated in a microwave oven |
Jan. 10, 1989 |
| 4788972 |
Padding for an orthopedic support device |
Dec. 6, 1988 |
| 4786670 |
Compressible non-asbestos high-temperature sheet material usable for gaskets |
Nov. 22, 1988 |
| 4783353 |
Recoverable article |
Nov. 8, 1988 |
| 4780349 |
Display panel |
Oct. 25, 1988 |
| 4778706 |
Composite non-distortable needlepoint canvas |
Oct. 18, 1988 |
| 4776719 |
Tubular structural system |
Oct. 11, 1988 |
| 4777078 |
Process for forming copper coating having excellent mechanical properties, and printed-wiring board with conductor pattern formed of such copper coating |
Oct. 11, 1988 |
| 4769269 |
Article containing conductive through-holes |
Sep. 6, 1988 |
| 4769270 |
Substrate for a printed circuit board |
Sep. 6, 1988 |
| 4761926 |
Tile mounting system |
Aug. 9, 1988 |
| 4758028 |
Firewall seal |
Jul. 19, 1988 |
| 4758309 |
Device for mounting fabrics in papermaking machines |
Jul. 19, 1988 |
| 4758453 |
Textile substrate for bio-transformation and phase separation |
Jul. 19, 1988 |
| 4758457 |
Floor mat with integral retainer means |
Jul. 19, 1988 |
| 4758459 |
Molded circuit board |
Jul. 19, 1988 |
| 4756946 |
Plastic material mesh structure |
Jul. 12, 1988 |
| 4752518 |
Flexible surface deformation-resistant graphite foil |
Jun. 21, 1988 |
| 4752519 |
Papermakers felt with a resin matrix surface |
Jun. 21, 1988 |
| 4749596 |
Articles and methods for treating fabrics |
Jun. 7, 1988 |
| 4747991 |
Method for debossing and selectively aperturing a resilient plastic web |
May. 31, 1988 |
| 4748063 |
Automotive floor covering with pad attachment means |
May. 31, 1988 |
| 4746559 |
Magnetic recording medium |
May. 24, 1988 |
| 4743486 |
Product and method of producing a plastics material mesh structure |
May. 10, 1988 |
| 4743740 |
Buried element deicer |
May. 10, 1988 |
| 4740409 |
Nonwoven fabric and method of manufacture |
Apr. 26, 1988 |
| 4738900 |
Thermo-setting, polymerizable composition and wiring board |
Apr. 19, 1988 |
| 4737393 |
Dual perforation of scrim-reinforced webs |
Apr. 12, 1988 |
| 4734315 |
Low power circuitry components |
Mar. 29, 1988 |
| 4731279 |
Assembly block formed from a poly-olefin foam |
Mar. 15, 1988 |
| 4724180 |
Electrically shielded connectors |
Feb. 9, 1988 |
| 4720408 |
Destructible carbon paper |
Jan. 19, 1988 |
| 4718962 |
Shower curtain repair kit |
Jan. 12, 1988 |
| 4714643 |
Detergency booster cloths and dispenser therefor |
Dec. 22, 1987 |
| 4713277 |
Foamed metal and method of producing same |
Dec. 15, 1987 |
| 4711800 |
Needlecraft with metallic substrate |
Dec. 8, 1987 |
| 4708901 |
Coded web and associated web handling and working machine |
Nov. 24, 1987 |
| 4702237 |
Hemorrhoid retainers |
Oct. 27, 1987 |
| 4701237 |
Web with enhanced fluid transfer properties and method of making same |
Oct. 20, 1987 |
| 4701362 |
Dielectric material in sheet form |
Oct. 20, 1987 |
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