US2463809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid control and metering valve
Assignee: Marquette Metal Products Co
•
Filing: 1944-10-04
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Granted: 1949-03-08
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Expires: 1964-10-04
Abstract
No abstract record available.
Inventors
- 👤 Columbus R Sacchini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:10
CPC Classifications
G; G05; G05D; G05D7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US277713A
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US684913A
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US803889A
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US1543291A
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US1597627A
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US1775999A
Cited
US1944979A
Cited
US2030332A
Cited
FR780846A
Cited
US2130955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |