Patent family
US 4471421
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
- Sep 30, 1982
- Projected expiration
- Sep 30, 2002expired
- Application number
- US06/429,728
Other priority claims (3)
- US4471421AOn dossierfiled Sep 30, 1982
- NZ205704A ↗filed Sep 22, 1983
- AU558921B2 ↗filed Sep 30, 1983
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.