Patent US2547093A successfully refreshed from Google Patents.
US2547093A
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US
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Gas turbine system
Assignee: Allis Chalmers Corp
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Filing: 1944-11-20
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Granted: 1951-04-03
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Expires: 1964-11-20
Abstract
No abstract record available.
Inventors
- 👤 James L Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:05
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/28; F02C3/00; F02C6/00; F02C6/18; F02C7/00; F02C7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2095991A
Cited
US2131781A
Cited
US2091998A
Cited
US2371889A
Cited
US2303381A
Cited
US2336232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |