Patent US2880293A successfully refreshed from Google Patents.
US2880293A
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US
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Adjustable potentiometer
Assignee: Daystrom Inc
•
Filing: 1955-08-30
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Granted: 1959-03-31
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Expires: 1975-08-30
Abstract
No abstract record available.
Inventors
- 👤 Blanco Elias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:33
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/30; H01C10/32; Y; Y10; Y10S; Y10S338/00; Y10S338/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2125954A
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US2201686A
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US2141770A
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US2379641A
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US2504906A
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US2581266A
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US2622174A
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US2687463A
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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) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |