Patent family
US 5202231
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 (12)
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
- Apr 1, 1987
- Projected expiration
- Apr 1, 2007expired
- Application number
- US07/723,712
Parent applications (2)
- US17508888A ↗Continuationfiled Mar 30, 1988
- US17508898A ↗Continuationfiled Mar 30, 1998
Family members (4)
- US5492806AOn dossierfiled Apr 12, 1993Expired - Fee Related
- US5667972A ↗filed Jun 5, 1995Expired - Fee Related
- US6018041AOn dossierfiled Jul 29, 1997Expired - Fee Related
- US6451996B1 ↗filed Jan 21, 2000Expired - Fee Related
Other priority claims (5)
- US5202231AOn dossierfiled Jun 18, 1991
- US5492806AOn dossierfiled Apr 12, 1993
- US5667972A ↗filed Jun 5, 1995
- US6018041AOn dossierfiled Jul 29, 1997
- US6451996B1 ↗filed Jan 21, 2000
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.