US4305091B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4305091B1 - - Google Patents
Assignee: Technology Licensing Corp
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Filing: 1979-04-16
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Granted: 1985-10-08
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Expires: 1999-04-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:30
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/14; H04N5/21; H04B; H04B1/00; H04B1/06; H04B1/10; H04B15/00; H04N9/00; H04N9/64; H04N9/646
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-10-07 | 1989-04-08 | 1989-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-10-07 | 1993-04-08 | 1993-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-10-07 | 1997-04-08 | 1997-10-08 | $7700.00 | Window Closed / Lapsed |