US1333357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throttle-valve for locomotives
Assignee: Individual
•
Filing: 1919-08-20
•
Granted: 1920-03-09
•
Expires: 1939-08-20
Abstract
No abstract record available.
Inventors
- 👤 Alf C White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:35
CPC Classifications
F; F01; F01B; F01B25/00; F01B2250/00; F01B2250/001; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6858; Y10T137/6862
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) | 1923-03-09 | 1923-09-08 | 1924-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-03-09 | 1927-09-08 | 1928-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-03-09 | 1931-09-08 | 1932-03-09 | $7700.00 | Window Closed / Lapsed |