US2640100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for testing rotors
Assignee: Westinghouse Electric Corp
•
Filing: 1950-05-02
•
Granted: 1953-05-26
•
Expires: 1970-05-02
Abstract
No abstract record available.
Inventors
- 👤 Lewis C Packer
- 👤 Roy H Cross
- 👤 George E Monchamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:49
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/34; G01R31/346
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1685965A
Cited
US2150922A
Cited
US2308159A
Cited
US2427672A
Cited
US2519367A
Cited
US2568406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |