US3035549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-position power cylinder and control means therefor
Assignee: Westinghouse Air Brake Co
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Filing: 1959-05-26
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Granted: 1962-05-22
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Expires: 1979-05-26
Abstract
No abstract record available.
Inventors
- 👤 Ellis E Hewitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:21
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; F15B11/12; F15B11/121; F15B11/125; B; B60; B60T; B60T15/00; B60T15/02; B60T15/04; B60T15/048; F16; F16H; F16H61/00; F16H61/26; F16H61/28; F16H61/30; F16H2061/307
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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |