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US2785261A
Expired / Lapsed
US
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Potentiometer or the like
Assignee: Individual
•
Filing: 1954-05-03
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Granted: 1957-03-12
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Expires: 1974-05-03
Abstract
No abstract record available.
Inventors
- 👤 Roberts Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:06
CPC Classifications
H; H01; H01F; H01F21/00; H01F21/005; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19851; Y10T74/1986; Y10T74/1987; Y10T74/19893; Y10T74/1993
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2595189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |