US2693530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1949-06-29
•
Granted: 1954-11-02
•
Expires: 1969-06-29
Abstract
No abstract record available.
Inventors
- 👤 Angus A Macdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:19
CPC Classifications
H; H04; H04N; H04N17/00; H04N17/04; H04N17/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2434894A
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US2338646A
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US2474219A
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US2438904A
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US2573070A
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US2551771A
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US2464393A
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US2572083A
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US2519030A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |