US3166684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically actuated piezoelectric voltage generator
Assignee: Clevite Corp
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Filing: 1964-04-01
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Granted: 1965-01-19
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Expires: 1984-04-01
Abstract
No abstract record available.
Inventors
- 👤 Alfred L W Williams
- 👤 Halley H Hamlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:56
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0607; B06B1/0611; B06B1/0618; F; F23; F23Q; F23Q2/00; F23Q2/28; F23Q2/285; F23Q2/287; F23Q3/00; F23Q3/002; H; H02; H02N; H02N2/00; H02N2/18; H02N2/185; H10; H10N; H10N30/00; H10N30/50; H10N30/503; H10N30/505
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A HYDRAULICALLY ACTUATED PIEZOELECTRIC VOLTAGE SOURCE COMPRISING, IN COMBINATION: HOUSING MEANS PROVIDING AN ABUTMENT AND BEING RIGID AGAINST LONGITUDINAL EXPANSION; A HIGH PRESSURE AND A LOW PRESSURE FLUID RESERVOIR OPERATIVELY ASSOCIATED WITH SAID HOUSING; FLUID PASSAGEWAY MEANS BETWEEN SAID RESERVOIRS; PIEZOELECTRIC ELEMENT MEANS DISPOSED WITHIN SAID HOUSING MEANS AND PIEZOELECTRICALLY RESPONSIVE IN COMPRESSION, ONE END OF SAID PIEZOELECTRIC ELEMENT MEANS BEING DISPOSED IN FIXED RELATION TO SAID ABUTMENT; PRESSURE APPLYING MEANS OPERABLY DISPOSED IN RELATION TO SAID HIGH PRESSURE RESERVOIR
Claim 2
Dependent Claim
80 words
A HYDRAULICALLY ACTUATED PIEZOELECTRIC VOLTAGE SOURCE COMPRISING, IN COMBINATION: HOUSING MEANS PROVIDING AN ABUTMENT AND BEING RIGID AGAINST LONGITUDINAL EXPANSION; A HIGH PRESSURE AND A LOW PRESSURE FLUID RESERVOIR OPERATIVELY ASSOCIATED WITH SAID HOUSING; FLUID PASSAGEWAY MEANS BETWEEN SAID RESERVOIRS; PIEZOELECTRIC ELEMENT MEANS DISPOSED WITHIN SAID HOUSING MEANS AND PIEZOELECTRICALLY RESPONSIVE IN COMPRESSION, ONE END OF SAID PIEZOELECTRIC ELEMENT MEANS BEING DISPOSED IN FIXED RELATION TO SAID ABUTMENT; PRESSURE APPLYING MEANS OPERABLY DISPOSED IN RELATION TO SAID HIGH PRESSURE RESERVOIR
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |