Patent US2676876A successfully refreshed from Google Patents.
US2676876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas supply system
Assignee: Detroit Controls Corp
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Filing: 1951-11-16
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Granted: 1954-04-27
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Expires: 1971-11-16
Abstract
No abstract record available.
Inventors
- 👤 Neal J Mosely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:30
CPC Classifications
F; F17; F17D; F17D1/00; F17D1/02; F17D1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN A GAS SUPPLY SYSTEM, A SUPPLY CONDUIT, AN ELECTRICALLY OPERATED COMPRESSOR HAVING ITS INTAKE CONNECTED TO SAID CONDUIT AND OPERABLE TO WITHDRAW GAS FROM SAID CONDUIT AND COMPRESS THE SAME, AN ELECTRIC CIRCUIT FOR SAID COMPRESSOR, A STORAGE TANK CONNECTED TO RECEIVE COMPRESSED GAS FROM SAID COMPRESSOR, A PAIR OF SWITCHES CONTROLLING SAID COMPRESSOR CIRCUIT, MEANS RESPONSIVE TO PRESSURE IN SAID STORAGE TANK TO CLOSE ONE OF SAID SWITCHES AT A PREDETERMINED LOW PRESSURE THEREIN, MEANS RESPONSIVE TO PRESSURE IN SAID CONDUIT TO CLOSE THE OTHER OF SAID SWITCHES WHEN CONDUIT GAS PRESSURE IS ABOVE A PREDETERMINED
Claim 2
Dependent Claim
98 words
IN A GAS SUPPLY SYSTEM, A SUPPLY CONDUIT, AN ELECTRICALLY OPERATED COMPRESSOR HAVING ITS INTAKE CONNECTED TO SAID CONDUIT AND OPERABLE TO WITHDRAW GAS FROM SAID CONDUIT AND COMPRESS THE SAME, AN ELECTRIC CIRCUIT FOR SAID COMPRESSOR, A STORAGE TANK CONNECTED TO RECEIVE COMPRESSED GAS FROM SAID COMPRESSOR, A PAIR OF SWITCHES CONTROLLING SAID COMPRESSOR CIRCUIT, MEANS RESPONSIVE TO PRESSURE IN SAID STORAGE TANK TO CLOSE ONE OF SAID SWITCHES AT A PREDETERMINED LOW PRESSURE THEREIN, MEANS RESPONSIVE TO PRESSURE IN SAID CONDUIT TO CLOSE THE OTHER OF SAID SWITCHES WHEN CONDUIT GAS PRESSURE IS ABOVE A PREDETERMINED
References Cited (Backward Citations)
US2082189A
Cited
US2550844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |