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Patent US2983257A successfully refreshed from Google Patents.
US2983257A
Expired / Lapsed
US
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Fluid actuated brake cylinder
Assignee: Individual
•
Filing: 1957-12-30
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Granted: 1961-05-09
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Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur B Euga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:56
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/08; B60T17/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2341502A
Cited
US2571885A
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US2626021A
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US2649169A
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US2658525A
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US2726738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |