US1931386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure regulator
Assignee: Reynolds Gas Regulator Co
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Filing: 1932-01-02
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Granted: 1933-10-17
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Expires: 1952-01-02
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:36
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0675; G05D16/0683; G05D16/0688; F; F16; F16B; F16B2200/00; F16B2200/69; F16B2200/71; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/942; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7809; Y10T137/782; Y10T403/00; Y10T403/70; Y10T403/7018
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) | 1936-10-16 | 1937-04-17 | 1937-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-10-16 | 1941-04-17 | 1941-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-10-16 | 1945-04-17 | 1945-10-17 | $7700.00 | Window Closed / Lapsed |