US3240073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear accelerometer
Assignee: EDCLIFF INSTRUMENTS Inc
•
Filing: 1962-03-01
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Granted: 1966-03-15
•
Expires: 1982-03-01
Abstract
No abstract record available.
Inventors
- 👤 Robert L Pitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:24
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/12; G01P15/121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A LINEAR ACCELEROMETER COMPRISING (A) A HOUSING HAVING A LONGITUDINAL AXIS, (B) A MASS HAVING AN AXIS AND DISPOSED WITHIN THE HOUSING, (C) SUBSTANTIALLY IDENTICAL FIRST AND SECOND SPIRAL SPRINGS SECURED TO AND SUPPORTING THE ENDS OF THE MASS AT LOCATIONS ALONG THE MASS AXIS AND SPACED SUBSTANTIALLY EQUIDISTANTLY FROM THE CENTER OF GRAVITY OF THE MASS AND ADAPTED TO PERMIT THE MASS TO TRAVEL WITHIN THE HOUSING ALONG THE HOUSING AXIS, THE FIRST AND SECOND SPRINGS BEING CONNECTED TO THE HOUSING WITH THEIR SPIRALS 180* OUT OF PLANE WITH EACH OTHER TO PERMIT THE ENDS OF THE MASS TO MOVE EQUALLY ALONG SUBSTAN-
Claim 2
Dependent Claim
104 words
A LINEAR ACCELEROMETER COMPRISING (A) A HOUSING HAVING A LONGITUDINAL AXIS, (B) A MASS HAVING AN AXIS AND DISPOSED WITHIN THE HOUSING, (C) SUBSTANTIALLY IDENTICAL FIRST AND SECOND SPIRAL SPRINGS SECURED TO AND SUPPORTING THE ENDS OF THE MASS AT LOCATIONS ALONG THE MASS AXIS AND SPACED SUBSTANTIALLY EQUIDISTANTLY FROM THE CENTER OF GRAVITY OF THE MASS AND ADAPTED TO PERMIT THE MASS TO TRAVEL WITHIN THE HOUSING ALONG THE HOUSING AXIS, THE FIRST AND SECOND SPRINGS BEING CONNECTED TO THE HOUSING WITH THEIR SPIRALS 180* OUT OF PLANE WITH EACH OTHER TO PERMIT THE ENDS OF THE MASS TO MOVE EQUALLY ALONG SUBSTAN-
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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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |