US985175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-pressure reducing and regulating mechanism.
Assignee: Individual
•
Filing: 1909-10-19
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Granted: 1911-02-28
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Expires: 1929-10-19
Abstract
No abstract record available.
Inventors
- 👤 Jesse B Hirst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:48
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/14; G05D16/16; G05D16/163; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7768
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) | 1914-02-27 | 1914-08-29 | 1915-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-02-27 | 1918-08-29 | 1919-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-02-27 | 1922-08-29 | 1923-02-28 | $7700.00 | Window Closed / Lapsed |