US2872573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tv receiver circuit
Assignee: Individual
•
Filing: 1955-10-13
•
Granted: 1959-02-03
•
Expires: 1975-10-13
Abstract
No abstract record available.
Inventors
- 👤 Rex C Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:37
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/52; H03F1/54; H03F1/544; H04; H04N; H04N5/00; H04N5/63
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1649391A
Cited
GB262190A
Cited
US1766038A
Cited
US1903420A
Cited
US2269989A
Cited
GB560001A
Cited
US2658140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |