US3048770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Force to direct current transducer
Assignee: Robertshaw Controls Co
•
Filing: 1956-02-20
•
Granted: 1962-08-07
•
Expires: 1976-02-20
Abstract
No abstract record available.
Inventors
- 👤 Dudley D Nye
- 👤 Ronald Y Paradise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:03
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/08; G01L1/086; G01R; G01R17/00; G01R17/02; G01R17/06; G01R17/08; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1184460A
Cited
US2601867A
Cited
GB636621A
Cited
US2683245A
Cited
US2662540A
Cited
US2842147A
Cited
US2874713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |