Patent US3115277A successfully refreshed from Google Patents.
US3115277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure can device
Assignee: Individual
•
Filing: 1963-01-22
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Granted: 1963-12-24
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Expires: 1983-01-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles A Montague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:23
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/16; B65D83/26; B65D83/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN A DEVICE OF THE TYPE INCLUDING AN ENCLOSED CAN HAVING A MAIN CHAMBER THEREIN CONTAINING A FLUID UNDER PRESSURE, THE COMBINATION THEREWITH COMPRISING MEANS ESTABLISHING AN AUXILIARY CHAMBER IN SAID CAN, OUTLET PASSAGE MEANS LEADING FROM SAID AUXILIARY CHAMBER TO THE EXTERIOR OF SAID CAN, MAIN VALVE MEANS IN SAID CAN FOR MOVEMENT BETWEEN AN OPEN POSITION TO ALLOW FLOW THROUGH SAID OUTLET PASSAGE MEANS AND A CLOSED POSITION TO BLOCK FLOW THROUGH SAID OUTLET PASSAGE MEANS, ADDITIONAL PASSAGE MEANS LEADING FROM SAID MAIN CHAMBER TO SAID AUXILIARY CHAMBER TO ALLOW THE FLUID UNDER PRESSURE IN SAID MAIN CHAMBER TO BLEED OFF TO SAID AUXILIARY CHAMBER, MEANS IN SAID CAN COUPLED TO SAID MAIN VALVE MEANS RESPONSIVE TO THE PRESSURE IN SAID AUXILIARY CHAMBER FOR OPENING SAID MAIN VALVE MEANS WHEN THE PRESSURE IS INCREASED TO A PREDETERMINED AMOUNT AND FOR CLOSING SAID MAIN VALVE MEANS WHEN THE PRESSURE IS DECREASED TO A PREDETERMINED AMOUNT.
Claim 2
Dependent Claim
156 words
IN A DEVICE OF THE TYPE INCLUDING AN ENCLOSED CAN HAVING A MAIN CHAMBER THEREIN CONTAINING A FLUID UNDER PRESSURE, THE COMBINATION THEREWITH COMPRISING MEANS ESTABLISHING AN AUXILIARY CHAMBER IN SAID CAN, OUTLET PASSAGE MEANS LEADING FROM SAID AUXILIARY CHAMBER TO THE EXTERIOR OF SAID CAN, MAIN VALVE MEANS IN SAID CAN FOR MOVEMENT BETWEEN AN OPEN POSITION TO ALLOW FLOW THROUGH SAID OUTLET PASSAGE MEANS AND A CLOSED POSITION TO BLOCK FLOW THROUGH SAID OUTLET PASSAGE MEANS, ADDITIONAL PASSAGE MEANS LEADING FROM SAID MAIN CHAMBER TO SAID AUXILIARY CHAMBER TO ALLOW THE FLUID UNDER PRESSURE IN SAID MAIN CHAMBER TO BLEED OFF TO SAID AUXILIARY CHAMBER, MEANS IN SAID CAN COUPLED TO SAID MAIN VALVE MEANS RESPONSIVE TO THE PRESSURE IN SAID AUXILIARY CHAMBER FOR OPENING SAID MAIN VALVE MEANS WHEN THE PRESSURE IS INCREASED TO A PREDETERMINED AMOUNT AND FOR CLOSING SAID MAIN VALVE MEANS WHEN THE PRESSURE IS DECREASED TO A PREDETERMINED AMOUNT.
References Cited (Backward Citations)
US2928573A
Cited
US2967643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |