US2886969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature compensating means for fluid meters
Assignee: Individual
•
Filing: 1954-09-02
•
Granted: 1959-05-19
•
Expires: 1974-09-02
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Dufour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:17
CPC Classifications
G; G01; G01F; G01F15/00; G01F15/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US529365A
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US1112459A
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US1881572A
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US2088270A
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US2191766A
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US2156812A
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US2208687A
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US2302458A
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US2348593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |