Patent US3222919A successfully refreshed from Google Patents.
US3222919A
Expired / Lapsed
US
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Mechanical impedance measuring system
Assignee: Meggitt Orange County Inc
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Filing: 1962-01-12
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Granted: 1965-12-14
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Expires: 1982-01-12
Abstract
No abstract record available.
Inventors
- 👤 Bernard A Shoor
- 👤 Dale R Burger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:56
CPC Classifications
G; G01; G01H; G01H15/00; Y; Y10; Y10S; Y10S73/00; Y10S73/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A MECHANICAL IMPEDANCE HEAD COMPRISING A CYLINDRICAL MEMBER HAVING A PLURALITY OF AXIALLY EXTENDING CAVITIES FORMED THEREIN, A PAIR OF CIRCULAR END PLATES MOUNTED AT THE RESPECTIVE ENDS OF SAID CYLINDRICAL MEMBER, A PLURALITY OF SOLID ELASTIC CYLINDRICAL BODIES INTERCONNECTING SAID ENDS PLATES AND ADAPTED TO RECEIVE AXIAL FORCES APPLIED ACROSS SAID END PLATES AND RESPONSIVE TO SUCH FORCES BY CHANGING IN LENGTH IN PROPORTION TO SUCH FORCES, EACH OF SAID SOLID ELASTIC CYLINDRICAL BODIES BEING MOUNTED WITHIN ONE OF SAID CAVITIES AND SECURED TO SAID END PLATES, MEANS FOR DETECTING CHANGES IN LENGTH OF SAID CYLINDRICAL BODIES,
Claim 2
Dependent Claim
98 words
A MECHANICAL IMPEDANCE HEAD COMPRISING A CYLINDRICAL MEMBER HAVING A PLURALITY OF AXIALLY EXTENDING CAVITIES FORMED THEREIN, A PAIR OF CIRCULAR END PLATES MOUNTED AT THE RESPECTIVE ENDS OF SAID CYLINDRICAL MEMBER, A PLURALITY OF SOLID ELASTIC CYLINDRICAL BODIES INTERCONNECTING SAID ENDS PLATES AND ADAPTED TO RECEIVE AXIAL FORCES APPLIED ACROSS SAID END PLATES AND RESPONSIVE TO SUCH FORCES BY CHANGING IN LENGTH IN PROPORTION TO SUCH FORCES, EACH OF SAID SOLID ELASTIC CYLINDRICAL BODIES BEING MOUNTED WITHIN ONE OF SAID CAVITIES AND SECURED TO SAID END PLATES, MEANS FOR DETECTING CHANGES IN LENGTH OF SAID CYLINDRICAL BODIES,
References Cited (Backward Citations)
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |