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National Lock Co

National L

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3341903A	Plastic fastener	Expired / Lapsed	1965-05-28	1967-09-19	2	Details
US3218656A	Method of forming a self-tapping or thread-forming screw	Expired / Lapsed	1963-09-03	1965-11-23	2	Details
US3218905A	Self-tapping or thread-forming screw	Expired / Lapsed	1962-04-30	1965-11-23	2	Details
US2386629A	Hose clamp	Expired / Lapsed	1943-05-31	1945-10-09	0	Details
US2325225A	Refrigerator latch	Expired / Lapsed	1942-05-09	1943-07-27	0	Details