Patent US3552198A successfully refreshed from Google Patents.
US3552198A
Expired / Lapsed
US
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Torque measuring device
Assignee: Collectron Corp
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Filing: 1968-07-23
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Granted: 1971-01-05
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Expires: 1988-07-23
Abstract
Abstract A DEVICE FOR DETERMINING STATIC AND DYNAMIC TORQUE OF A ROTARY DEVICE INCLUDING A HOUSING AND A SHAFT MOUNTED FOR ROTATION WITHIN SAID HOUSING, INCLUDING MEANS FOR ROTATING THE HOUSING AT A PREDETERMINED RATE, AND WEIGHTED LEVER MEANS FRICTIONALLY ENGAGABLE UPON THE SHAFT, AND LEVER MEANS COOPERATING WITH SCALE MEANS INDICATING A VALUE CORRESPONDING TO TORQUE DEVELOPED.
Inventors
- 👤 Samuel J Friedland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:56
CPC Classifications
G; G01; G01L; G01L3/00; G01L3/16; G01L3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |