US3049101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic mechanism
Assignee: New York Air Brake LLC
•
Filing: 1961-04-03
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Granted: 1962-08-14
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Expires: 1981-04-03
Abstract
No abstract record available.
Inventors
- 👤 Charles A L Ruhl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:17
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/20; E02F9/22; E02F9/226; F; F15; F15B; F15B13/00; F15B13/01; F15B13/02; F15B13/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87193; Y10T137/87201
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) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |