US3211949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclicly operating piezoelectric voltage source
Assignee: Clevite Corp
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Filing: 1961-11-07
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Granted: 1965-10-12
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Expires: 1981-11-07
Abstract
No abstract record available.
Inventors
- 👤 Robert R Slaymaker
- 👤 Charles B Small
- 👤 Fred C Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:35
CPC Classifications
H; H02; H02N; H02N2/00; H02N2/18; H02N2/183; F; F23; F23Q; F23Q2/00; F23Q2/28; F23Q2/285; F23Q2/287; F23Q3/00; F23Q3/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A CYCLICLY OPERATING PIEZOELECTRIC GENERATOR COMPRISING, IN COMBINATION: PIEZOELECTRIC ELEMENT MEANS; MEANS FOR MOUNTING SAID PIEZOELECTRIC ELEMENT MEANS; MEANS FOR CYCLICLY STRESSING SAID PIEZOELECTRIC ELEMENT MEANS OVER A RELATIVELY LONG PERIOD OF TIME AND THEN TO RELIEVE THE STRESS OVER A COMPARATIVELY SHORT PERIOD OF TIME TO GENERATE AN ELECTRIC POTENTIAL.
Claim 2
Dependent Claim
51 words
A CYCLICLY OPERATING PIEZOELECTRIC GENERATOR COMPRISING, IN COMBINATION: PIEZOELECTRIC ELEMENT MEANS; MEANS FOR MOUNTING SAID PIEZOELECTRIC ELEMENT MEANS; MEANS FOR CYCLICLY STRESSING SAID PIEZOELECTRIC ELEMENT MEANS OVER A RELATIVELY LONG PERIOD OF TIME AND THEN TO RELIEVE THE STRESS OVER A COMPARATIVELY SHORT PERIOD OF TIME TO GENERATE AN ELECTRIC POTENTIAL.
References Cited (Backward Citations)
US2959159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |