Patent US1954674A successfully refreshed from Google Patents.
Patent US2576700A successfully refreshed from Google Patents.
US2576700A
Expired / Lapsed
US
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Blading for fluid flow devices
Assignee: SCHNEIDER BROTHERS Co
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Filing: 1947-06-02
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Granted: 1951-11-27
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Expires: 1967-06-02
Abstract
No abstract record available.
Inventors
- 👤 Schneider Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:21
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/22; F04D29/2261; F04D29/2272; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/141; F01D5/146; F16; F16H; F16H41/00; F16H41/24; F16H41/26; Y; Y10; Y10S; Y10S415/00; Y10S415/914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |