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US2772354A
Expired / Lapsed
US
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V. h. f.-u. h. f. tuners
Assignee: Standard Coil Products Co Inc
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Filing: 1953-03-17
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Granted: 1956-11-27
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Expires: 1973-03-17
Abstract
No abstract record available.
Inventors
- 👤 Jay E Browder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:07
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/24; H03J5/26; H03J5/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2029461A
Cited
US2297889A
Cited
US2383322A
Cited
US2637782A
Cited
US2619536A
Cited
US2598857A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |