Patent US3020715A successfully refreshed from Google Patents.
US3020715A
Expired / Lapsed
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Method of improving the thermal efficiency of a gas producer-gas turbine assembly
Assignee: Individual
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Filing: 1957-05-08
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Granted: 1962-02-13
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Expires: 1977-05-08
Abstract
No abstract record available.
Inventors
- 👤 Alfred M Thomsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:29
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/20; F02C3/14; F02C3/26; F02C3/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
THE METHOD OF IMPROVING THE THERMAL EFFICIENCY OF A GAS PRODUCER-GAS TURBINE ASSEMBLE OPERATING UPON A FUEL, SELECTED FROM THE GROUP CONSISTING OF ANTHRACITE, BITUMINOUS COAL, AND LIGNITE, CONTAINING BOTH SULPHUR AND NITROGEN, WHICH COMPRISES; DIVIDING THE HOT GAS OF THE TURBINE EXHAUST, WHICH CONSISTS OF A MIXTURE OF NITROGEN, OXYGEN, CARBON DIOXIDE, OXIDES OF SULPHUR, AND WATER
Claim 2
Independent Claim
58 words
THE METHOD OF IMPROVING THE THERMAL EFFICIENCY OF A GAS PRODUCER-GAS TURBINE ASSEMBLE OPERATING UPON A FUEL, SELECTED FROM THE GROUP CONSISTING OF ANTHRACITE, BITUMINOUS COAL, AND LIGNITE, CONTAINING BOTH SULPHUR AND NITROGEN, WHICH COMPRISES; DIVIDING THE HOT GAS OF THE TURBINE EXHAUST, WHICH CONSISTS OF A MIXTURE OF NITROGEN, OXYGEN, CARBON DIOXIDE, OXIDES OF SULPHUR, AND WATER
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) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |