US3027470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling passage means for dynamoelectric machines
Assignee: Fairbanks Morse and Co
•
Filing: 1958-11-05
•
Granted: 1962-03-27
•
Expires: 1978-11-05
Abstract
No abstract record available.
Inventors
- 👤 William G Atherton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:18
CPC Classifications
H; H02; H02K; H02K9/00; H02K9/02; H02K9/04; H02K9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1601531A
Cited
US1961387A
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US2347517A
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US2454180A
Cited
DE819282C
Cited
US2620449A
Cited
US2782327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |