Patent US2048347A successfully refreshed from Google Patents.
US2342001A
Expired / Lapsed
US
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Pressure regulator
Assignee: FMC Corp
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Filing: 1941-10-17
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Granted: 1944-02-15
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Expires: 1961-10-17
Abstract
No abstract record available.
Inventors
- 👤 Roy M Magnuson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:54
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/028; G05D16/04; G05D16/10; G05D16/101; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605
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) | 1947-02-14 | 1947-08-16 | 1948-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-02-14 | 1951-08-16 | 1952-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-02-14 | 1955-08-16 | 1956-02-15 | $7700.00 | Window Closed / Lapsed |