US2747133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television pickup tube
Assignee: RCA Corp
•
Filing: 1950-07-05
•
Granted: 1956-05-22
•
Expires: 1970-07-05
Abstract
No abstract record available.
Inventors
- 👤 Paul K Weimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:09
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/26; H01J31/28; H01J31/34; H01J31/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2506741A
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US2288402A
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US2473220A
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US2537250A
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US2541374A
Cited
US2520240A
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US2507758A
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US2545982A
Cited
US2544753A
Cited
US2579351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |