US2844001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow straightening vanes for diffuser passages
Assignee: General Electric Co
•
Filing: 1953-01-06
•
Granted: 1958-07-22
•
Expires: 1973-01-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph S Alford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:08
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/30; F01D5/00; F01D5/12; F01D5/14; F01D5/141; F01D5/145; F02; F02K; F02K1/00; F02K1/78; F04; F04D; F04D29/00; F04D29/40; F04D29/52; F04D29/54; F04D29/541; F04D29/545; F23; F23R; F23R3/00; F23R3/02; F23R3/16; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10S; Y10S415/00; Y10S415/914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1697770A
Cited
US2006805A
Cited
US2041793A
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US2183561A
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US2573834A
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US2558816A
Cited
US2650752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |