US2859910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stators for axial flow compressors
Assignee: Individual
•
Filing: 1954-03-29
•
Granted: 1958-11-11
•
Expires: 1974-03-29
Abstract
No abstract record available.
Inventors
- 👤 Edward A Stalker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:44
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/66; F04D29/68; F04D29/681; F04D29/682; F04D29/40; F04D29/52; F04D29/54; F04D29/541; F04D29/542; F04D29/544; F04D27/00; F04D27/02; F04D27/0207; F04D27/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR833532A
Cited
US2314058A
Cited
US2344835A
Cited
US2597510A
Cited
US2649243A
Cited
US2663996A
Cited
US2762560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |