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US2539730A
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Composite rim and method of manufacturing the same
Assignee: Forges et Ateliers de Constructions Electriques de Jeumont SA
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Filing: 1948-11-02
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Granted: 1951-01-30
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Expires: 1968-11-02
Abstract
No abstract record available.
Inventors
- 👤 Defosse Armand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:35
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/22; H02K1/28; F; F16; F16F; F16F15/00; F16F15/30; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/2132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1817054A
Cited
GB520513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |