US2965752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superheterodyne radio receivers
Assignee: The General Electric Company PLC
•
Filing: 1958-10-13
•
Granted: 1960-12-20
•
Expires: 1978-10-13
Abstract
No abstract record available.
Inventors
- 👤 Medford Albert Ernest
- 👤 Griffith George Will Sapsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:24
CPC Classifications
H; H03; H03D; H03D7/00; H03D7/18; H01; H01P; H01P1/00; H01P1/20; H01P1/213; H01P1/2133
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2131976A
Cited
US2455657A
Cited
US2713152A
Cited
US2824965A
Cited
US2819391A
Cited
US2833994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |