US3496473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatically tuned communications systems
Assignee: General Dynamics Corp
•
Filing: 1966-11-14
•
Granted: 1970-02-17
•
Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Raymond R Seppeler
- 👤 Robert P Fruehsamer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:02
CPC Classifications
H; H03; H03J; H03J7/00; H03J7/18; H03J7/20; H03J7/28; H03J5/00; H03J5/24; H03J5/242; H03J5/244
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3259851A
Cited
US3189825A
Cited
US3264566A
Cited
US3249876A
Cited
US3371281A
Cited
US3344361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |