Patent family
US 4212277
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 (5)
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
- Mar 6, 1978
- Projected expiration
- Mar 6, 1998expired
- Application number
- US05/883,553
Other priority claims (4)
- US4212277AOn dossierfiled Mar 6, 1978
- DE2905842C2 ↗filed Feb 15, 1979
- GB2015646B ↗filed Feb 20, 1979
- FR2419408A1 ↗filed Mar 6, 1979
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.