Patent US5349530A successfully refreshed from Google Patents.
Patent US2707966A successfully refreshed from Google Patents.
US2707966A
Expired / Lapsed
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Pressure regulator valve
Assignee: Individual
•
Filing: 1950-05-25
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Granted: 1955-05-10
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Expires: 1970-05-25
Abstract
No abstract record available.
Inventors
- 👤 John F Taplin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:55
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0663; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2607; Y10T137/261; Y10T137/7722; Y10T137/7754; Y10T137/7756; Y10T137/7757; Y10T137/7781; Y10T137/7793; Y10T137/7801; Y10T137/7809; Y10T137/7812; Y10T137/7818; Y10T137/782; Y10T137/7821; Y10T137/8811
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US331544A
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US404504A
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US2259809A
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US942042A
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US2239116A
Cited
US2278728A
Cited
US2304782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |