Patent US3272982A successfully refreshed from Google Patents.
US3206970A
Expired / Lapsed
US
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Capacitor strain gage
Assignee: Therm Inc
•
Filing: 1960-11-15
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Granted: 1965-09-21
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Expires: 1980-11-15
Abstract
No abstract record available.
Inventors
- 👤 James W Dally
- 👤 Richard E Kenyon
- 👤 Rodney H Cornish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:58
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/16; G01B7/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A CAPACITANCE STRAIN GAGE COMPRISING A TUBULAR CONDUCTIVE SHELL, CONDUCTIVE CAPACITANCE ELEMENTS WITHIN THE SHELL HAVING TRANSVERSE FACING SPACED CAPACITANCE SURFACES FORMING AN AIR GAP CAPACITANCE, SAID ELEMENTS BEING INSULATED FROM SAID SHELL, AND AT LEAST ONE OF SAID ELEMENTS
Claim 2
Dependent Claim
40 words
A CAPACITANCE STRAIN GAGE COMPRISING A TUBULAR CONDUCTIVE SHELL, CONDUCTIVE CAPACITANCE ELEMENTS WITHIN THE SHELL HAVING TRANSVERSE FACING SPACED CAPACITANCE SURFACES FORMING AN AIR GAP CAPACITANCE, SAID ELEMENTS BEING INSULATED FROM SAID SHELL, AND AT LEAST ONE OF SAID ELEMENTS
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |