US3039037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push-button tuning system for television receivers or the like
Assignee: Hoffman Electronics Corp
•
Filing: 1956-03-28
•
Granted: 1962-06-12
•
Expires: 1976-03-28
Abstract
No abstract record available.
Inventors
- 👤 John W Daniels
- 👤 Messner Daryle
- 👤 Walter N Sparling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:33
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/02; H03J5/14; H03J5/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1962487A
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US2317710A
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US2520749A
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US2762961A
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US2796574A
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US2802978A
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US2755424A
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US2760139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |