US3174331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion sensing devices
Assignee: Boeing Co
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Filing: 1962-07-13
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Granted: 1965-03-23
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Expires: 1982-07-13
Abstract
No abstract record available.
Inventors
- 👤 Carl S Doherty
- 👤 George E Rawie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:24
CPC Classifications
G; G01; G01H; G01H1/00; G01B; G01B7/00; G01B7/16; G01L; G01L1/00; G01L1/20; G01L1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A MOTION SENSING DEVICE COMPRISING A CANTILEVER BEAM OF NON-UNIFORM CROSS-SECTION HAVING A ROOT AND A FREE END, SENSING MEANS FOR SENSING THE RELATIVE MOTION BETWEEN THE ROOT AND THE FREE END OF SAID BEAM, A MASS AT THE FREE END OF SAID BEAM FOR DECREASING THE FUNDAMENTAL FREQUENCY, AND STIFFENING MEMBERS EXTENDING LONGITUDINALLY ALONG A PORTION OF SAID BEAM FOR INCREASING THE SECOND NATURAL FREQUENCY OF SAID BEAM.
Claim 2
Dependent Claim
69 words
A MOTION SENSING DEVICE COMPRISING A CANTILEVER BEAM OF NON-UNIFORM CROSS-SECTION HAVING A ROOT AND A FREE END, SENSING MEANS FOR SENSING THE RELATIVE MOTION BETWEEN THE ROOT AND THE FREE END OF SAID BEAM, A MASS AT THE FREE END OF SAID BEAM FOR DECREASING THE FUNDAMENTAL FREQUENCY, AND STIFFENING MEMBERS EXTENDING LONGITUDINALLY ALONG A PORTION OF SAID BEAM FOR INCREASING THE SECOND NATURAL FREQUENCY OF SAID BEAM.
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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |