US2585475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct reading eddy current dynamometer
Assignee: ELECTRIC PRODUCTS CO
•
Filing: 1946-11-14
•
Granted: 1952-02-12
•
Expires: 1966-11-14
Abstract
No abstract record available.
Inventors
- 👤 William H Lee
- 👤 Erasmus D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:53
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/02; H02K49/04; G; G01; G01L; G01L3/00; G01L3/16; G01L3/22; H02K49/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1635980A
Cited
US2028374A
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US2188398A
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US2330991A
Cited
US2278507A
Cited
US2297644A
Cited
US2346976A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |