US2742583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamoelectric machine with gas jet cooled lead conductors and terminal bushings
Assignee: Allis Chalmers Corp
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Filing: 1954-05-20
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Granted: 1956-04-17
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Expires: 1974-05-20
Abstract
No abstract record available.
Inventors
- 👤 Beckwith Sterling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:00
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/22; H02K5/225; H02K3/00; H02K3/46; H02K3/50; H02K3/505; H02K9/00; H02K2203/00; H02K2203/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |