US2946027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cavity resonator
Assignee: Westinghouse Electric Corp
•
Filing: 1956-08-08
•
Granted: 1960-07-19
•
Expires: 1976-08-08
Abstract
No abstract record available.
Inventors
- 👤 William A Gerard
- 👤 Rodger G Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:58
CPC Classifications
H; H01; H01P; H01P7/00; H01P7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2103515A
Cited
US2503256A
Cited
US2682623A
Cited
US2483768A
Cited
US2584717A
Cited
US2752524A
Cited
US2533912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |