Search Results for: Animal hair carded or combed
as bearings, rings, seals, journal boxes, bushings, brakes, clutches, gun wads, journal bearings, or liners for bearings, brakes or clutches, or material therefor, wherein a lubricant is a permanent part of the solid anti-friction device, article or material, whether by permanent coating, impregnation
(class / ) animal or plant matter (e.g., blood, hair, skin, wood, hemp, cotton, paper, lard, castor oil, shellac, glue, beeswax, etc.) (class / ) elemental or alloyed metal (class / ) halogen compound (class / ) silicon compound (class / ) heavy metal or aluminum compound (e.g., mos ,etc.)...
https://patents.justia.com/patents-by-us-classification/508