US2667326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine
Assignee: Simmering Graz Pauker AG
•
Filing: 1949-11-16
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Granted: 1954-01-26
•
Expires: 1969-11-16
Abstract
No abstract record available.
Inventors
- 👤 Ledinegg Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:30
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/08; F01D5/085; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1114564A
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US1501862A
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GB394001A
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DE597556C
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FR782541A
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US2073605A
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CH237475A
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US2462600A
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US2407164A
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GB610737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |