Patent US2850361A successfully refreshed from Google Patents.
US2850361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power recovery system
Assignee: Ingersoll Rand Co
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Filing: 1956-03-30
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Granted: 1958-09-02
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Expires: 1976-03-30
Abstract
No abstract record available.
Inventors
- 👤 Jr William E Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:19
CPC Classifications
F; F02; F02C; F02C6/00; F02C6/04; F02C6/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE COMBINATION ADAPTED FOR USE WITH A CHEMICAL PROCESS REQUIRING A SUPPLY OF FLUID UNDER PRESSURE AND HAVING A WASTE EXHAUST WITH A RELATIVELY HIGH ENERGY CONTENT, COMPRISING A MOTOR ADAPTED TO BE CONNECTED TO SAID PROCESS TO BE DRIVEN BY SUCH EXHAUST, A COMPRESSOR DRIVEN BY SAID MOTOR, AND AT LEAST ONE OTHER MOTOR DRIVEN COMPRESSOR HAVING ITS INTAKE CONNECTED TO RECEIVE COMPRESSED FLUID FROM THE FIRST SAID COMPRESSOR AND TO SUPPLY SUCH FLUID UNDER A HIGHER PRESSURE TO THE PROCESS.
Claim 2
Dependent Claim
82 words
THE COMBINATION ADAPTED FOR USE WITH A CHEMICAL PROCESS REQUIRING A SUPPLY OF FLUID UNDER PRESSURE AND HAVING A WASTE EXHAUST WITH A RELATIVELY HIGH ENERGY CONTENT, COMPRISING A MOTOR ADAPTED TO BE CONNECTED TO SAID PROCESS TO BE DRIVEN BY SUCH EXHAUST, A COMPRESSOR DRIVEN BY SAID MOTOR, AND AT LEAST ONE OTHER MOTOR DRIVEN COMPRESSOR HAVING ITS INTAKE CONNECTED TO RECEIVE COMPRESSED FLUID FROM THE FIRST SAID COMPRESSOR AND TO SUPPLY SUCH FLUID UNDER A HIGHER PRESSURE TO THE PROCESS.
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) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |