US2945670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Active-reactive energy applications for prime movers
Assignee: Individual
•
Filing: 1955-07-21
•
Granted: 1960-07-19
•
Expires: 1975-07-21
Abstract
No abstract record available.
Inventors
- 👤 Alfred M Caddell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:56
CPC Classifications
F; F02; F02C; F02C7/00; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US746388A
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US765806A
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US844824A
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US896757A
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US1255002A
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US1998255A
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US2473356A
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US2405190A
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US2542628A
Cited
US2456417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |