Patent family
US 4002531
Continuation, divisional, and parent applications sharing a priority claim with this patent. Most asserted patents are continuations — the sibling list is the assertion surface a defendant has to plan against. Sourced from Google Patents, cached for 30 days.
Patent family (4)
Continuations, divisionals, and parent applications sharing a priority claim with this patent. Most asserted patents are continuations — siblings expand the assertion surface a defendant has to plan against.
- Earliest priority
- Jan 22, 1976
- Projected expiration
- Jan 22, 1996expired
- Application number
- US05/651,240
Other priority claims (3)
- US4002531AOn dossierfiled Jan 22, 1976
- CA1052693A ↗filed Jan 14, 1977
- GB1528112A ↗filed Jan 17, 1977
Sourced from Google Patents · Cached for 30 days · Projected expiration is 20 years past earliest priority and does not reflect terminal disclaimers, patent term adjustment, or extension.