Patent family
US 4657904
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 (3)
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
- Nov 3, 1978
- Projected expiration
- Nov 3, 1998expired
- Application number
- US06/864,274
Parent applications (1)
- US4612326A ↗Divisionfiled Jun 18, 1982
Other priority claims (1)
- US4657904AOn dossierfiled May 16, 1986
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.