Patent US2091482A successfully refreshed from Google Patents.
US2091482A
Expired / Lapsed
US
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Pressure flow regulator
Assignee: Individual
•
Filing: 1934-06-04
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Granted: 1937-08-31
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Expires: 1954-06-04
Abstract
No abstract record available.
Inventors
- 👤 James R Mccreary
- 👤 Louis H Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:13
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0655; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7759; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86759; Y10T137/86791; Y10T137/86799; Y10T137/86807; Y10T137/87917
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) | 1940-08-30 | 1941-03-01 | 1941-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-30 | 1945-03-01 | 1945-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-30 | 1949-03-01 | 1949-08-31 | $7700.00 | Window Closed / Lapsed |