US3318346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas lighter
Assignee: Heinrich Maltner GmbH
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Filing: 1964-11-13
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Granted: 1967-05-09
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Expires: 1984-11-13
Abstract
No abstract record available.
Inventors
- 👤 Maltner Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:43
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/34; F23Q2/52; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86292; Y10T137/86324; Y10T137/86332
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
IN A GAS LIGHTER, IN COMBINATION, A CONTAINER ADAPTED TO CONTAIN A COMBUSTIBLE GAS AND ADAPTED TO BE FILLED WITH THE COMBUSTIBLE GAS FROM A PRESSURIZED TANK WHICH CONTAINS THE COMBUSTIBLE GAS UNDER PRESSURE IN LIQUID FORM, FOR EXAMPLE, SAID CONTAINER HAVING A WALL PROVIDED WITH AN APERTURE; PRESSURE RESPONSIVE NON-RETURN VALVE MEANS CARRIED BY SAID WALL OF SAID CONTAINER AND COMPRISING A HOLLOW TUBULAR MEMBER SLIDABLY ARRANGED IN SAID APERTURE AND HAVING END PORTIONS RESPECTIVELY LOCATED WITHIN AND WITHOUT SAID CONTAINER FOR PLACING THE INTERIOR OF THE LATTER IN COMMUNICATION WITH THE INTERIOR OF A PRESSURIZED TANK WHEN THE LATTER IS PLACED IN ENGAGEMENT WITH SAID HOLLOW TUBULAR MEMBER, SAID NON-RETURN VALVE MEANS OPENING ONLY IN RESPONSE TO AN INCREASE IN THE PRESSURE WITHIN SAID HOLLOW TUBULAR MEMBER TO ADMIT FLUID INTO SAID CONTAINER; AND A PRESSURE-RELIEF VENTING VALVE MEANS CARRIED BY SAID WALL OF SAID CONTAINER AND SAID HOLLOW TUBULAR MEMBER, SAID HOLLOW TUBULAR MEMBER BEING SLIDABLE FROM A NORMAL INACTIVE POSITION INTO AN ACTIVE POSITION DEEPER INTO SAID CONTAINER IN RESPONSE TO PLACING OF SAID HOLLOW TUBULAR MEMBER IN COMMUNICATION WITH SAID TANK AND SAID PRESSURE-RELIEF VALVE MEANS RESPONDING TO SUCH SLIDING AND
Claim 2
Dependent Claim
196 words
IN A GAS LIGHTER, IN COMBINATION, A CONTAINER ADAPTED TO CONTAIN A COMBUSTIBLE GAS AND ADAPTED TO BE FILLED WITH THE COMBUSTIBLE GAS FROM A PRESSURIZED TANK WHICH CONTAINS THE COMBUSTIBLE GAS UNDER PRESSURE IN LIQUID FORM, FOR EXAMPLE, SAID CONTAINER HAVING A WALL PROVIDED WITH AN APERTURE; PRESSURE RESPONSIVE NON-RETURN VALVE MEANS CARRIED BY SAID WALL OF SAID CONTAINER AND COMPRISING A HOLLOW TUBULAR MEMBER SLIDABLY ARRANGED IN SAID APERTURE AND HAVING END PORTIONS RESPECTIVELY LOCATED WITHIN AND WITHOUT SAID CONTAINER FOR PLACING THE INTERIOR OF THE LATTER IN COMMUNICATION WITH THE INTERIOR OF A PRESSURIZED TANK WHEN THE LATTER IS PLACED IN ENGAGEMENT WITH SAID HOLLOW TUBULAR MEMBER, SAID NON-RETURN VALVE MEANS OPENING ONLY IN RESPONSE TO AN INCREASE IN THE PRESSURE WITHIN SAID HOLLOW TUBULAR MEMBER TO ADMIT FLUID INTO SAID CONTAINER; AND A PRESSURE-RELIEF VENTING VALVE MEANS CARRIED BY SAID WALL OF SAID CONTAINER AND SAID HOLLOW TUBULAR MEMBER, SAID HOLLOW TUBULAR MEMBER BEING SLIDABLE FROM A NORMAL INACTIVE POSITION INTO AN ACTIVE POSITION DEEPER INTO SAID CONTAINER IN RESPONSE TO PLACING OF SAID HOLLOW TUBULAR MEMBER IN COMMUNICATION WITH SAID TANK AND SAID PRESSURE-RELIEF VALVE MEANS RESPONDING TO SUCH SLIDING AND
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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |