Patent family
US 3939401
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 (3)
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
- Jun 26, 1970
- Projected expiration
- Jun 26, 1990expired
- Application number
- US05/259,347
Parent applications (1)
- US5027870A ↗Continuationfiled Jun 26, 1970
Other priority claims (1)
- US3939401AOn dossierfiled Jun 2, 1972
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.