US2544235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion gas turbine plant
Assignee: BBC Brown Boveri AG Germany
•
Filing: 1945-11-23
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Granted: 1951-03-06
•
Expires: 1965-11-23
Abstract
No abstract record available.
Inventors
- 👤 Pfenninger Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:15
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/28; F02C6/00; F02C6/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1959795A
Cited
US2095991A
Cited
US2238905A
Cited
US2219994A
Cited
US2372686A
Cited
US2371899A
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) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |