Patent US3191819A successfully refreshed from Google Patents.
US3191819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable handle for disposable gas tank
Assignee: Individual
•
Filing: 1963-11-01
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Granted: 1965-06-29
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Expires: 1983-11-01
Abstract
No abstract record available.
Inventors
- 👤 Robert J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:29
CPC Classifications
A; A47; A47J; A47J45/00; A47J45/06; A47J45/07; A47J45/077; F; F23; F23D; F23D14/00; F23D14/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A DETACHABLE HANDLE FOR USE WITH A PRESSURIZED GAS CYLINDER HAVNG A DISCHAFRGE VALVE AT ONE END AND HAVING A DETACHABLE NOZZLE MOUNTED ON THE DISCHARGE VALVE, THE HANDLE INCLUDING A DOME-SHAPED BODY MEMBER WITH A CENTRAL APERTURE FITTING AFROUND A DISCHARGE VALVE CLAMPED BETWEEN A CYLINDER END WALL AND A NOZZLE, THE DOME-SHAPED BODY MEMBER HAVING FRICTION SURFACE MEANS ENGAGEABLE WITH THE END WALL, THE HANDLE ALSO HAVING AN L-SHAPED HAND-GRASPING MEMBER EXTENDING FROM ONE SIDE OF THE BODY PORTION AND HAVING AN AXIS OF A PORTION OF SAID FIGF-01 L-SHAPED MEMBER SUBSTANTIALLY PARALLEL TO THE AXIS OF THE CYLINDER, AND THE HANDLE BEING COMPOSED OF AN INTEGRAL UNIT OF SLIGHTLY COMPRESSIBLE MATERIAL.
Claim 2
Dependent Claim
114 words
A DETACHABLE HANDLE FOR USE WITH A PRESSURIZED GAS CYLINDER HAVNG A DISCHAFRGE VALVE AT ONE END AND HAVING A DETACHABLE NOZZLE MOUNTED ON THE DISCHARGE VALVE, THE HANDLE INCLUDING A DOME-SHAPED BODY MEMBER WITH A CENTRAL APERTURE FITTING AFROUND A DISCHARGE VALVE CLAMPED BETWEEN A CYLINDER END WALL AND A NOZZLE, THE DOME-SHAPED BODY MEMBER HAVING FRICTION SURFACE MEANS ENGAGEABLE WITH THE END WALL, THE HANDLE ALSO HAVING AN L-SHAPED HAND-GRASPING MEMBER EXTENDING FROM ONE SIDE OF THE BODY PORTION AND HAVING AN AXIS OF A PORTION OF SAID FIGF-01 L-SHAPED MEMBER SUBSTANTIALLY PARALLEL TO THE AXIS OF THE CYLINDER, AND THE HANDLE BEING COMPOSED OF AN INTEGRAL UNIT OF SLIGHTLY COMPRESSIBLE MATERIAL.
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |