Patent US3431058A successfully refreshed from Google Patents.
US3431058A
Expired / Lapsed
US
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Piezoelectrically ignited gas torch
Assignee: Clevite Corp
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Filing: 1962-03-30
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Granted: 1969-03-04
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Expires: 1982-03-30
Abstract
No abstract record available.
Inventors
- 👤 George H Hufferd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:26
CPC Classifications
F; F23; F23Q; F23Q3/00; F23Q3/002; F23D; F23D14/00; F23D14/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A PIEZOELECTRICALLY IGNITED GAS BURNING TORCH CONNECTABLE TO A SOURCE OF GAS COMPRISING, IN COMBINATION: HOUSING MEANS INCLUDING A CONDUIT FOR GAS; PIEZOELECTRIC MEANS OPERABLY DISPOSED IN RELATION TO SAID HOUSING MEANS AND PIEZOELECTRICALLY RESPONSIVE TO COMPRESSIVE STRESS APPLICATION; MEANS STRUCTURALLY ASSOCIATED WITH SAID HOUSING MEANS FOR ESTABLISHING A JET OF GAS IN FLOW COMMUNICATION WITH THE GAS SOURCE, SAID JET BEIN LOCATED IN AN ENVIRONMENT OF SUBSTANTIALLY ATMOSPHERIC PRESSURE; MEANS CONNECTED TO SAID PIEZOELECTRIC MEANS FOR APPLYING A COMPRESSIVE FORCE THERETO OVER A RELATIVELY LONG PERIOD OF TIME TO PERMIT DISSIPATION OF A SUBSTANTIAL PART OF THE PIEZOELECTRIC CHARGE GENERATED BY THE STRESSING OF SAID
Claim 2
Dependent Claim
106 words
A PIEZOELECTRICALLY IGNITED GAS BURNING TORCH CONNECTABLE TO A SOURCE OF GAS COMPRISING, IN COMBINATION: HOUSING MEANS INCLUDING A CONDUIT FOR GAS; PIEZOELECTRIC MEANS OPERABLY DISPOSED IN RELATION TO SAID HOUSING MEANS AND PIEZOELECTRICALLY RESPONSIVE TO COMPRESSIVE STRESS APPLICATION; MEANS STRUCTURALLY ASSOCIATED WITH SAID HOUSING MEANS FOR ESTABLISHING A JET OF GAS IN FLOW COMMUNICATION WITH THE GAS SOURCE, SAID JET BEIN LOCATED IN AN ENVIRONMENT OF SUBSTANTIALLY ATMOSPHERIC PRESSURE; MEANS CONNECTED TO SAID PIEZOELECTRIC MEANS FOR APPLYING A COMPRESSIVE FORCE THERETO OVER A RELATIVELY LONG PERIOD OF TIME TO PERMIT DISSIPATION OF A SUBSTANTIAL PART OF THE PIEZOELECTRIC CHARGE GENERATED BY THE STRESSING OF SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |