US2452550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic dynamometer
Assignee: Clayton Manufacturing Co
•
Filing: 1942-05-20
•
Granted: 1948-11-02
•
Expires: 1962-05-20
Abstract
No abstract record available.
Inventors
- 👤 Edwin L Cline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:21
CPC Classifications
G; G01; G01L; G01L3/00; G01L3/16; G01L3/20; G01L5/00; G01L5/13
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) | 1951-11-02 | 1952-05-03 | 1952-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-02 | 1956-05-03 | 1956-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-02 | 1960-05-03 | 1960-11-02 | $7700.00 | Window Closed / Lapsed |