Patent family
US 4977521
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
- Jul 25, 1988
- Projected expiration
- Jul 25, 2008expired
- Application number
- US07/223,812
Other priority claims (4)
- US4977521AOn dossierfiled Jul 25, 1988
- JPH04500587A ↗filed Jul 17, 1989
- WO1990001240A1 ↗filed Jul 17, 1989
- EP0426712A1 ↗filed Jul 17, 1989
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.