US2571863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Force responsive device for flow meters
Assignee: Westinghouse Electric Corp
•
Filing: 1948-12-22
•
Granted: 1951-10-16
•
Expires: 1968-12-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank W Godsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:17
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/20; G01F1/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1724081A
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US1855205A
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US1885578A
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US1953819A
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US2082539A
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US2319363A
Cited
US2360751A
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US2371040A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-15 | 1955-04-16 | 1955-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-15 | 1959-04-16 | 1959-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-15 | 1963-04-16 | 1963-10-16 | $7700.00 | Window Closed / Lapsed |