Bowling pin
United States Patent 3147975
US Patent References:
/1205278.html
- - 1205278

/1262532.html
- - 1262532

Bowling pin
- - 2202674

Polymeric material
- - 2252554

Practice golf ball
- - 2484397


Inventors:
Gruss, George A.
Smith, Richard A.
Infantino, Joseph R.
Publication Date:
09/08/1964
View Patent Images:
Download PDF 3147975 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
AMERICAN MACH & FOUNDRY
Primary Class:
473/122
Other Classes:
12/133M, 273/DIG.003, 273/DIG.008, 273/DIG.006, 273/DIG.009, 264/45.500, 273/DIG.002, 264/46.600, 264/45.400, 273/DIG.007, 273/DIG.011, 264/46.700, 273/DIG.004, 273/DIG.012
International Classes:
A63D9/00; B29C44/04; B29C44/16; C08J9/00; C08J9/34; B29C44/02
US Patent References:
2568274Process for making bowling pins
2701719Bowling pin
2743931Practice or play ball and method of making same
2753599
2804399Method for coating wood and products thereof
2907747Polyurethanes of polyisocyanates and resinous polymeric acids
2938237Method of making a game ball
2944821Plastic articles of controlled specific gravity having a wear-resistant outer surface and method of preparing the same
2973800
3012987Coating composition comprising a blend of polyurethane reaction products
3015132Method of molding plastic articles
3025061Bowling pins