Patent family
US 4947028
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
- Jul 19, 1988
- Projected expiration
- Jul 19, 2008expired
- Application number
- US07/221,536
Other priority claims (3)
- US4947028AOn dossierfiled Jul 19, 1988
- CA2010846C ↗filed Feb 23, 1990
- EP0446500B1 ↗filed Feb 26, 1990
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.