US2884186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor construction for axial flow compressors
Assignee: Stalker Corp
•
Filing: 1954-04-23
•
Granted: 1959-04-28
•
Expires: 1974-04-23
Abstract
No abstract record available.
Inventors
- 👤 Daniel J Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:35
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/30; F01D5/3069; F01D5/02; F01D5/06; Y; Y10; Y10S; Y10S416/00; Y10S416/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB543557A
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DE853988C
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US2655307A
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US2649243A
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US2717554A
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US2675174A
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FR1056070A
Cited
DE872816C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |