Patent US2876299A successfully refreshed from Google Patents.
US2876299A
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US
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Signal-translating apparatus
Assignee: Zenith Electronics LLC
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Filing: 1956-08-29
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Granted: 1959-03-03
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Expires: 1976-08-29
Abstract
No abstract record available.
Inventors
- 👤 Howard M Robins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:42
CPC Classifications
H; H03; H03G; H03G5/00; H03G5/02; H03G5/04; H03G5/06; H03G5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1914629A
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US2374071A
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US2367110A
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US2282380A
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US2282381A
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US2282382A
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US2282383A
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US2752432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |