US2932822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television antenna having adjustable tuning network
Assignee: Individual
•
Filing: 1954-10-25
•
Granted: 1960-04-12
•
Expires: 1974-10-25
Abstract
No abstract record available.
Inventors
- 👤 Hills Elmer Guy
- 👤 Tunkl Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:46
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/06; H01Q9/14; H01Q9/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2545681A
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US2558487A
Cited
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |