US1430505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Governor valve for steam engines
Assignee: CHARLES H QUIMBY
•
Filing: 1920-09-18
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Granted: 1922-09-26
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Expires: 1940-09-18
Abstract
No abstract record available.
Inventors
- 👤 Alva K Hinchman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:02
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/10; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7782; Y10T137/7793; Y10T137/7804
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) | 1925-09-25 | 1926-03-27 | 1926-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-09-25 | 1930-03-27 | 1930-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-09-25 | 1934-03-27 | 1934-09-26 | $7700.00 | Window Closed / Lapsed |