US3350608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezo-electric igniter
Assignee: Heinrich Maltner GmbH
•
Filing: 1964-09-21
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Granted: 1967-10-31
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Expires: 1984-09-21
Abstract
No abstract record available.
Inventors
- 👤 Maltner Wolfgang
- 👤 Dieterle Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:37
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/28; F23Q2/285; F23Q2/287; F23Q3/00; F23Q3/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A PIEZO-ELECTRIC IGNITER, PARTICULARLY FOR USE IN LIGHTERS AND THE LIKE, IN COMBINATION, A TRANSDUCER CRYSTAL HAVING A PAIR OF POLES; STRESS GENERATING MEANS ARRANGED TO SUBJECT AS CRYSTAL TO COMPRESSIVE STRESSES IN THE DIRECTION OF ITS PIEZO-ELECTRIC AXIS SO THAT THE CRYSTAL GENERATES A VOLTAGE, SAID STRESS GENERATING MEANS COMPRISING ACTUATING MEANS MOVABLE FROM A STARTIANG POSITION TO A SECOND POSITION TO THEREBY EFFECT COMPRESSION OF SAID CRYSTAL; AND A PAIR OF CONDUCTORS NORMALLY IN CURRENT-CONDUCTING CONTACT WITH EACH OTHER AND EAC CONNECETED WITH ONE OF SAID POLES TO SHORT-CIRCUIT SAID CRYSTAL, ONE OF SAID CONDUCTORS BEING MOVABLE AWAY FROM THE OTHER CONDUCTOR IN RESPONSE TO MOVEMENT OF SAID ACTUATING MEANS FORM SAID STARTING POSITION TO THEREBY TERMINATE THE CURRENT-CONDUCTING CONNECTION BETWEEN SAID POLES.
Claim 2
Dependent Claim
126 words
IN A PIEZO-ELECTRIC IGNITER, PARTICULARLY FOR USE IN LIGHTERS AND THE LIKE, IN COMBINATION, A TRANSDUCER CRYSTAL HAVING A PAIR OF POLES; STRESS GENERATING MEANS ARRANGED TO SUBJECT AS CRYSTAL TO COMPRESSIVE STRESSES IN THE DIRECTION OF ITS PIEZO-ELECTRIC AXIS SO THAT THE CRYSTAL GENERATES A VOLTAGE, SAID STRESS GENERATING MEANS COMPRISING ACTUATING MEANS MOVABLE FROM A STARTIANG POSITION TO A SECOND POSITION TO THEREBY EFFECT COMPRESSION OF SAID CRYSTAL; AND A PAIR OF CONDUCTORS NORMALLY IN CURRENT-CONDUCTING CONTACT WITH EACH OTHER AND EAC CONNECETED WITH ONE OF SAID POLES TO SHORT-CIRCUIT SAID CRYSTAL, ONE OF SAID CONDUCTORS BEING MOVABLE AWAY FROM THE OTHER CONDUCTOR IN RESPONSE TO MOVEMENT OF SAID ACTUATING MEANS FORM SAID STARTING POSITION TO THEREBY TERMINATE THE CURRENT-CONDUCTING CONNECTION BETWEEN SAID POLES.
References Cited (Backward Citations)
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US2717916A
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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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |