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Rockbestos Products Corp

Rockbestos

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2227931A	Magnet wire	Expired / Lapsed	1938-09-10	1941-01-07	0	Details
US2217049A	Reinforced asbestos sliver	Expired / Lapsed	1938-04-13	1940-10-08	0	Details
US2162953A	Insulated electrical conductor	Expired / Lapsed	1936-02-20	1939-06-20	0	Details
US1439166A	Asbestos product	Expired / Lapsed	1919-10-07	1922-12-19	0	Details
US1407693A	Insulation-testing device	Expired / Lapsed	1918-12-06	1922-02-28	0	Details