USPC Class Details – HistoricIP

Description: D8 tools and hardware / d8 tools and hardware/(349) fastener, support or mount not elsewhere specified (354) support, guide, or spacer (363) standoff or crane type, e.g., handrail support, curtain rod support, etc. (28)

Hierarchy/Derived subclasses

D8 / 349	-> 354	-> 363	-> 28	-> 364	-> 29
				-> 365
				-> 366

uspto searches

Patent Apps in D8/363

Granted Patents in D8/363

Use the links above or do an advanced search in ppubs for:
(D8/363.ccls. or D8/28.ccls. or D8/364.ccls. or D8/29.ccls. or D8/365.ccls. or D8/366.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.