US2954537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vhf rheostat and method of using same
Assignee: Georgia Tech Research Institute
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Filing: 1956-05-24
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Granted: 1960-09-27
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Expires: 1976-05-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas R Scott
- 👤 Douglas W Robertson
- 👤 William B Wrigley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:27
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/30; H01C10/38; H01C10/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733405A
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US2689294A
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FR952427A
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US2610227A
Cited
US2663033A
Cited
US2625633A
Cited
US2634352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |