US1592747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: STANDARD VACUUM BRAKE CO
•
Filing: 1925-12-22
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Granted: 1926-07-13
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Expires: 1945-12-22
Abstract
No abstract record available.
Inventors
- 👤 Everett R Slagle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:41
CPC Classifications
F; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4323; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7847; Y10T137/7849; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/87917; Y10T137/88054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1929-07-12 | 1930-01-11 | 1930-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-07-12 | 1934-01-11 | 1934-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-07-12 | 1938-01-11 | 1938-07-13 | $7700.00 | Window Closed / Lapsed |