Patent US3140910A successfully refreshed from Google Patents.
US3140910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isotropic recording accelerometer
Assignee: Hrb-Singer Inc
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Filing: 1961-01-03
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Granted: 1964-07-14
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Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Charles E Duke
- 👤 Henri B Diamant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:36
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/12; G01P1/127
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A RECORDING ACCELEROMETER COMPRISING A FRAME, SUSPENSION MEANS MOUNTED UPON SAID FRAME, SAID SUSPENSION MEANS INCLUDING A PLURALITY OF PULLEYS MOUNTED UPON SAID FRAME AND A PLURALITY OF ELONGATED FLEXIBLE STRANDS EXTENDING ABOUT SAID PULLEYS, A MASS FREELY SUSPENDED WITHIN SAID FRAME BY SAID FLEXIBLE STRANDS FOR FREEDOM OF MOVEMENT IN ALL DIRECTIONS, AND AN INDICATING MEANS MOUNTED UPON SAID FRAME, SAID FLEXIBLE STRANDS BEING OPERATIVELY CONNECTED TO SAID INDICATING MEANS.
Claim 2
Dependent Claim
71 words
A RECORDING ACCELEROMETER COMPRISING A FRAME, SUSPENSION MEANS MOUNTED UPON SAID FRAME, SAID SUSPENSION MEANS INCLUDING A PLURALITY OF PULLEYS MOUNTED UPON SAID FRAME AND A PLURALITY OF ELONGATED FLEXIBLE STRANDS EXTENDING ABOUT SAID PULLEYS, A MASS FREELY SUSPENDED WITHIN SAID FRAME BY SAID FLEXIBLE STRANDS FOR FREEDOM OF MOVEMENT IN ALL DIRECTIONS, AND AN INDICATING MEANS MOUNTED UPON SAID FRAME, SAID FLEXIBLE STRANDS BEING OPERATIVELY CONNECTED TO SAID INDICATING MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |