Patent family
US 4296309
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 (2)
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
- May 19, 1977
- Projected expiration
- May 19, 1997expired
- Application number
- US05/906,359
Family members (1)
- US4545881A ↗filed Nov 16, 1983Expired - Lifetime
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.