US2612545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television receiver output transformer
Assignee: Zenith Electronics LLC
•
Filing: 1950-02-11
•
Granted: 1952-09-30
•
Expires: 1970-02-11
Abstract
No abstract record available.
Inventors
- 👤 Richard O Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:16
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/42; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1545429A
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US1659062A
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US1751854A
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US1819638A
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US1863713A
Cited
US2184342A
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US2513161A
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US2438359A
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US2474474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |