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Class Information
Number: 473/601
Name: Games using tangible projectile > Projectile, per se; part thereof or accessory therefor > Having solid core within outer cover; core or cover therefor (e.g., baseball, etc) > And having intermediate layer between core and cover or having core or cover composed of plural layers
Description: Subject matter (a) wherein there is a layer or winding of material located between the core and the cover or (b) wherein either the core itself or the cover itself is made up from two or more layers or windings of material.

Sub-classes under this class:

Class Number Class Name Patents
473/602 Having plural intermediate layers, at least one being of material diverse from material of core, cover, or another intermediate layer; or having core or cover composed of three or more layers, at least two being of diverse materials 12

Patents under this class:

Patent Number Title Of Patent Date Issued
8216098 Sports ball Jul. 10, 2012
7854671 Sports ball Dec. 21, 2010
7785219 Game ball incorporating a polymer foam Aug. 31, 2010
7211012 Multi-layer softball May. 1, 2007
7066852 Game ball with improved moisture resistance Jun. 27, 2006
6475119 Deformable ball Nov. 5, 2002
6379270 Golf ball Apr. 30, 2002
6369125 Game balls with cover containing post crosslinkable thermoplastic polyurethane and method of making same Apr. 9, 2002
6348018 American football supported with air layer Feb. 19, 2002
6267695 Golf ball Jul. 31, 2001
6224513 Therapeutic squeeze ball May. 1, 2001
5951420 Safety ball Sep. 14, 1999
5704858 Safety baseball Jan. 6, 1998
5647590 Game ball for urban use Jul. 15, 1997
5595546 Golf putting aid Jan. 21, 1997
5356941 Game balls having improved core compositions Oct. 18, 1994
5350342 Deformable grip Sep. 27, 1994
5320345 Game ball with transparent cover Jun. 14, 1994
5123659 Game ball Jun. 23, 1992
5091265 Coating compositions for game balls Feb. 25, 1992
4944363 Toy ball Jul. 31, 1990
4772019 Game ball Sep. 20, 1988
4660830 Baseball or softball Apr. 28, 1987
4653752 Game ball Mar. 31, 1987
4572507 Game ball Feb. 25, 1986
4529200 Game ball Jul. 16, 1985
4463951 Ball Aug. 7, 1984
4337944 Lighter and softer recreational balls Jul. 6, 1982
3976295 Game ball Aug. 24, 1976

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