Contact Seal For A Pipe, Conduit, Or Cable Patents (Class 277/602)
- Having installation, removal, assembly, disassembly, or repair feature (Class 277/609)
- Spirally wound structure (Class 277/610)
- Extrusion preventing (i.e., antiextrusion) or compression limiting feature (Class 277/611)
- Having plural projections (Class 277/612)
- Hose coupling (Class 277/613)
- Each end has recess for the seal (Class 277/614)