US2916739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scanner for antenna system
Assignee: Underwood Corp
•
Filing: 1955-07-28
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Granted: 1959-12-08
•
Expires: 1975-07-28
Abstract
No abstract record available.
Inventors
- 👤 Falstrom William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:29
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/12; H; H01; H01Q; H01Q3/00; H01Q3/02; H01Q3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2512139A
Cited
US2526314A
Cited
US2678394A
Cited
US2537822A
Cited
US2437275A
Cited
US2543188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |