US2694784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anode voltage supply for television receivers
Assignee: International Standard Electric Corp
•
Filing: 1952-01-31
•
Granted: 1954-11-16
•
Expires: 1972-01-31
Abstract
No abstract record available.
Inventors
- 👤 Reinhard Wolfgang
- 👤 Rappold Armin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:15
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2077574A
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US2164891A
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US2228821A
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US2261645A
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US2539492A
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US2395966A
Cited
US2414925A
Cited
US2406740A
Cited
US2428947A
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US2573017A
Cited
US2562941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |