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

Hierarchy/Derived subclasses

70 / 57-> 77-> 91-> 101-> 141-> 144-> 145-> 150-> 151r-> 151a
        -> 152
        -> 153

uspto searches

Patent Apps in 70/150

Granted Patents in 70/150

Use the links above or do an advanced search in ppubs for:
(70/150.ccls. or 70/151r.ccls. or 70/151a.ccls. or 70/152.ccls. or 70/153.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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