US2956235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant amplitude generator
Assignee: GTE Sylvania Inc
•
Filing: 1957-12-30
•
Granted: 1960-10-11
•
Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Fischman Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:07
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/22; H04N3/18; H04N3/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2262865A
Cited
US2644083A
Cited
US2719191A
Cited
US2758205A
Cited
US2766331A
Cited
US2799777A
Cited
US2782362A
Cited
US2836713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |