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US3943451B1
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US3943451B1 - - Google Patents
Assignee: Verizon Laboratories Inc
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Filing: 1975-06-26
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Granted: 1990-05-08
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Expires: 1995-06-26
Abstract
No abstract record available.
Inventors
- 👤 C Stoddard James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:16
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/02; H03J5/0245; H04; H04N; H04N21/00; H04N21/40; H04N21/41; H04N21/422; H04N21/42204; H04N21/42206; H04N21/42212; H04N21/42213; H04N21/42215; H04N21/47; H04N5/00; H04N5/44; H04N5/50
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) | 1993-05-07 | 1993-11-06 | 1994-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-05-07 | 1997-11-06 | 1998-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-05-07 | 2001-11-06 | 2002-05-08 | $7700.00 | Window Closed / Lapsed |