Patent US3143253A successfully refreshed from Google Patents.
US3143253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Center vented pressure container
Assignee: Turner Corp
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Filing: 1961-08-17
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Granted: 1964-08-04
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Expires: 1981-08-17
Abstract
No abstract record available.
Inventors
- 👤 William L Lindgren
- 👤 Lagreid Magnus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:21
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
116 words
FOR USE IN A PRESSURIZED FLUID TANK, AN OUTLET FITTING COMPRISING A BUSHING MADE OF FLEXIBLE PLASTIC MATERIAL AND HAVING AN OUTER PERIPHERAL ANNULAR RECESS, SHELL MEANS MADE OF METAL AND FORMING A NECK IN SAID TANK HAVING AN EMBOSSED PORTION INCLUDING A RIB OFFSET RADIALLY INWARDLY AND CONFORMABLY RECEIVED IN SAID RECESS, SAID OUTLET FITTING HAVING AN AXIAL THROUGH OPENING AND A TIRE VALVE IN SAID THROUGH OPENING HAVING AN ACTUATOR STEM TO BE ENGAGED BY THE PUSH PIN OF A GAS FITTING, SAID OUTLET FITTING HAVING A SECOND AXIAL THROUGH OPENING FORMED THEREIN, A SPRING LOADED SAFETY VALVE IN SAID SECOND OPENING, AND A VENTING APERTURE IN THE SIDE WALL OF SAID OUTLET FITTING
References Cited (Backward Citations)
US2593770A
Cited
US2965271A
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US2973883A
Cited
US3011686A
Cited
US2957611A
Cited
US3029981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |