US2712728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine inter-stage reheating system
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1952-04-30
•
Granted: 1955-07-12
•
Expires: 1972-04-30
Abstract
No abstract record available.
Inventors
- 👤 Warren K Lewis
- 👤 Edwin R Gilliland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:02
CPC Classifications
F; F02; F02C; F02C6/00; F02C6/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1089115A
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US1099019A
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US1502964A
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CH215485A
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US2471104A
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US2478504A
Cited
US2535140A
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US2462861A
Cited
US2637629A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-11 | 1959-01-10 | 1959-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-11 | 1963-01-10 | 1963-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-11 | 1967-01-10 | 1967-07-12 | $7700.00 | Window Closed / Lapsed |