US2719273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuning stub
Assignee: Westinghouse Electric Corp
•
Filing: 1950-04-08
•
Granted: 1955-09-27
•
Expires: 1970-04-08
Abstract
No abstract record available.
Inventors
- 👤 Sheldon I Rambo
- 👤 Albert C Frey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:21
CPC Classifications
H; H01; H01P; H01P7/00; H01P7/02; H05; H05B; H05B6/00; H05B6/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1733974A
Cited
US1824871A
Cited
US2203481A
Cited
US2412314A
Cited
US2605413A
Cited
US2412604A
Cited
US2554295A
Cited
US2494596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |