Patent family
US 4308549
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
- Dec 18, 1978
- Projected expiration
- Dec 18, 1998expired
- Application number
- US05/970,679
Other priority claims (3)
- US4308549AOn dossierfiled Dec 18, 1978
- JPS5583269A ↗filed Dec 12, 1979
- US4333225A ↗filed Dec 11, 1980
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.