US2944527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow rate compensated valve
Assignee: New York Air Brake LLC
•
Filing: 1958-08-11
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Granted: 1960-07-12
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Expires: 1978-08-11
Abstract
No abstract record available.
Inventors
- 👤 Kaay Henry A Vander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:51
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/04; F15B11/044; F15B11/0445; F15B2211/00; F15B2211/40; F15B2211/405; F15B2211/40515; F15B2211/40553; F15B2211/46; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7052; F15B2211/75; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2579; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/87169; Y10T137/87233
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) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |