Patent FR2346239A1 successfully refreshed from Google Patents.
US2672057A
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Brake operating device
Assignee: FKI Industries Inc
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Filing: 1950-03-03
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Granted: 1954-03-16
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Expires: 1970-03-03
Abstract
No abstract record available.
Inventors
- 👤 Otto J Bratz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:31
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/04; B60T11/046; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18832; Y10T74/18848; Y10T74/18992; Y10T74/20; Y10T74/20207; Y10T74/20213; Y10T74/20232; Y10T74/20396; Y10T74/20402; Y10T74/20558; Y10T74/20564
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) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |