Patent US2645730A successfully refreshed from Google Patents.
US2645730A
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US
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Cooling system for electric brakes
Assignee: Telma SAS
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Filing: 1950-04-27
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Granted: 1953-07-14
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Expires: 1970-04-27
Abstract
No abstract record available.
Inventors
- 👤 Bessiere Pierre Etienne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:35
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/02; H02K49/04; H02K49/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE45198C
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US714498A
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DE563374C
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US2102181A
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US2195130A
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US2298725A
Cited
US2400225A
Cited
US2503704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |