US2685405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial flow compressor
Assignee: Individual
•
Filing: 1948-05-03
•
Granted: 1954-08-03
•
Expires: 1968-05-03
Abstract
No abstract record available.
Inventors
- 👤 Edward A Stalker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:37
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/30; F01D5/02; F01D5/06; F04; F04D; F04D29/00; F04D29/26; F04D29/32; F04D29/321; F04D29/40; F04D29/52; F04D29/522; Y; Y10; Y10S; Y10S415/00; Y10S415/914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US995358A
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US1366119A
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US2314058A
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US2344835A
Cited
US2520697A
Cited
US2458149A
Cited
US2452782A
Cited
US2501614A
Cited
DK58095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |