Patent US2211058A successfully refreshed from Google Patents.
US2211058A
Expired / Lapsed
US
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Fluid control device
Assignee: Individual
•
Filing: 1936-04-03
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Granted: 1940-08-13
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Expires: 1956-04-03
Abstract
No abstract record available.
Inventors
- 👤 Eugene Y Guthmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:39
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/7722; Y10T137/7781; Y10T137/7832; Y10T137/8593; Y10T137/87571; Y10T137/87587; Y10T137/87611
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) | 1943-08-13 | 1944-02-12 | 1944-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-13 | 1948-02-12 | 1948-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-13 | 1952-02-12 | 1952-08-13 | $7700.00 | Window Closed / Lapsed |