US2426765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power system
Assignee: Worthington Pump and Machinery Corp
•
Filing: 1943-05-11
•
Granted: 1947-09-02
•
Expires: 1963-05-11
Abstract
No abstract record available.
Inventors
- 👤 Oscar H Dorer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:33
CPC Classifications
F; F01; F01K; F01K9/00; F01K9/003; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86131; Y10T137/86139; Y10T137/86147; Y10T137/86493; Y10T137/86501
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US459384A
Cited
US473949A
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US1762115A
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US995057A
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US1706808A
Cited
US1769671A
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US1934631A
Cited
US2080288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-01 | 1951-03-03 | 1951-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-01 | 1955-03-03 | 1955-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-01 | 1959-03-03 | 1959-09-02 | $7700.00 | Window Closed / Lapsed |