US3351787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accelerometer
Assignee: Kistler Instrument Corp
•
Filing: 1965-01-11
•
Granted: 1967-11-07
•
Expires: 1985-01-11
Abstract
No abstract record available.
Inventors
- 👤 Walter P Kistler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:02
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0607; B06B1/0611; B06B1/0618; G; G01; G01L; G01L1/00; G01L1/16; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/09; G01P15/0907; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A FORCE SENSING DEVICE COMPRISING A PROTECTIVE HOUSING HAVING A RIGID BASE AT ONE END, A FORCE RESPONSIVE MASS IN SAID HOUSING, PIEZOELECTRIC MEANS BETWEEN SAID MASS AND SAID BASE, A STRESSED PRELOADING SLEEVE JOINED AT ONE END TO SAID MASS AND AT ITS OTHER END TO SAID BASE, AT LEAST ONE END OF SAID SLEEVE BEING JOINED BY A WELDED CONNECTION, SAID SLEEVE BEING SPACED FROM THE REMAINDER
Claim 2
Dependent Claim
69 words
A FORCE SENSING DEVICE COMPRISING A PROTECTIVE HOUSING HAVING A RIGID BASE AT ONE END, A FORCE RESPONSIVE MASS IN SAID HOUSING, PIEZOELECTRIC MEANS BETWEEN SAID MASS AND SAID BASE, A STRESSED PRELOADING SLEEVE JOINED AT ONE END TO SAID MASS AND AT ITS OTHER END TO SAID BASE, AT LEAST ONE END OF SAID SLEEVE BEING JOINED BY A WELDED CONNECTION, SAID SLEEVE BEING SPACED FROM THE REMAINDER
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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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |