US2846137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction for axial-flow turbomachinery
Assignee: General Electric Co
•
Filing: 1955-06-03
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Granted: 1958-08-05
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Expires: 1975-06-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Leroy Harrington Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:06
CPC Classifications
F; F04; F04D; F04D19/00; F04D19/02; F04D19/028; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/141; F01D5/142; F01D5/143; Y; Y10; Y10S; Y10S415/00; Y10S415/914
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |