US2715050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load compensating fluid pressure brake equipment
Assignee: Westinghouse Air Brake Co
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Filing: 1951-08-09
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Granted: 1955-08-09
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Expires: 1971-08-09
Abstract
No abstract record available.
Inventors
- 👤 Everett P Sexton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:10
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/18; B60T8/1812; B60T8/1818
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) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |