US2826216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid metering valve
Assignee: Individual
•
Filing: 1951-09-14
•
Granted: 1958-03-11
•
Expires: 1971-09-14
Abstract
No abstract record available.
Inventors
- 👤 William W Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:31
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/20; G01F1/22; G01F1/26; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7787; Y10T137/7791; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7925; Y10T137/7929; Y10T137/7937; Y10T137/8158; Y10T137/8326
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US306208A
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US318748A
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FR366022A
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US1150743A
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US1215669A
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US1205787A
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US2011333A
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US2305519A
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US2293988A
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US2308583A
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US2400479A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |