Patent US3475551A successfully refreshed from Google Patents.
US3082333A
Expired / Lapsed
US
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Voltage or spark source
Assignee: Clevite Corp
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Filing: 1961-05-29
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Granted: 1963-03-19
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Expires: 1981-05-29
Abstract
No abstract record available.
Inventors
- 👤 George H Hufferd
- 👤 Jr Herman Lansing Vail
- 👤 Robert H Josephson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:13
CPC Classifications
F; F02; F02P; F02P3/00; F02P3/12; F23; F23Q; F23Q2/00; F23Q2/28; F23Q2/285; F23Q2/287; F23Q3/00; F23Q3/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A PIEZOELECTRIC VOLTAGE SOURCE COMPRISING: A HOUSING RIGID AGAINST LONGITUDINAL EXPANSION AND HAVING A FIRST AND A SECOND END PORTION; ELONGATED PIEZOELECTRIC ELEMENT MEANS MOUNTED IN SAID HOUSING BETWEEN SAID END PORTIONS WITH ONE OF ITS ENDS RESTRAINED BY THE FIRST OF THE SAID HOUSING END PORTIONS AND WITH ITS OPPOSITE END SPACED FROM THE SECOND HOUSING END PORTION; AN END CAP ON THE SAID OPPOSITE END OF SAID PIEZOELECTRIC ELEMENT MEANS; LEVER MEANS INCLUDING A FULCRUM POSITIONED BETWEEN SAID PIEZOELECTRIC ELEMENT AND SAID SECOND END PORTION WITH THE FULCRUM LOCATED BETWEEN ONE SIDE OF THE LEVER AND THE SECOND END PORTION, THE OTHER SIDE OF SAID LEVER BEING AGAINST SAID END CAP, THE LOCATION OF SAID FULCRUM BEING OFFSET FROM THE LONGITUDINAL AXIS OF SAID ELONGATED PIEZOELECTRIC ELEMENT MEANS; AND ELECTRICAL INSULATING MEANS AROUND THE PIEZOELECTRIC ELEMENT MEANS.
Claim 2
Dependent Claim
139 words
A PIEZOELECTRIC VOLTAGE SOURCE COMPRISING: A HOUSING RIGID AGAINST LONGITUDINAL EXPANSION AND HAVING A FIRST AND A SECOND END PORTION; ELONGATED PIEZOELECTRIC ELEMENT MEANS MOUNTED IN SAID HOUSING BETWEEN SAID END PORTIONS WITH ONE OF ITS ENDS RESTRAINED BY THE FIRST OF THE SAID HOUSING END PORTIONS AND WITH ITS OPPOSITE END SPACED FROM THE SECOND HOUSING END PORTION; AN END CAP ON THE SAID OPPOSITE END OF SAID PIEZOELECTRIC ELEMENT MEANS; LEVER MEANS INCLUDING A FULCRUM POSITIONED BETWEEN SAID PIEZOELECTRIC ELEMENT AND SAID SECOND END PORTION WITH THE FULCRUM LOCATED BETWEEN ONE SIDE OF THE LEVER AND THE SECOND END PORTION, THE OTHER SIDE OF SAID LEVER BEING AGAINST SAID END CAP, THE LOCATION OF SAID FULCRUM BEING OFFSET FROM THE LONGITUDINAL AXIS OF SAID ELONGATED PIEZOELECTRIC ELEMENT MEANS; AND ELECTRICAL INSULATING MEANS AROUND THE PIEZOELECTRIC ELEMENT MEANS.
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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |