Patent US2875927A successfully refreshed from Google Patents.
US2875927A
Expired / Lapsed
US
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Metering valve
Assignee: TUFFORD
•
Filing: 1955-09-06
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Granted: 1959-03-03
•
Expires: 1975-09-06
Abstract
No abstract record available.
Inventors
- 👤 Walter W Tufford
- 👤 Lloyd E Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:38
CPC Classifications
G; G01; G01F; G01F11/00; G01F11/28; G01F11/282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US108591A
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US873176A
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US1106885A
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US1267635A
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US1658257A
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US2622771A
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US2588206A
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FR58513E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |