USPC Class Details

Description: 70 locks / 70 locks/(57) special application (77) for closures (91) door (101) swinging door (141) locking latch bolts, biased (144) spring projected (145) manually operable (150) dogged bolt or connections (151r) automatic (151a) snub bolt

Hierarchy/Derived subclasses

70 / 57

-> 77

-> 91

-> 101

-> 141

-> 144

-> 145

-> 150

-> 151r

-> 151a

uspto searches

Patent Apps in 70/151a

Granted Patents in 70/151a

Use the links above or do an advanced search in ppubs for:
(70/151a.ccls.)

This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.

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