US3440877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature compensating apparatus for fluid flow meters
Assignee: Rockwell Manufacturing Co
•
Filing: 1966-05-18
•
Granted: 1969-04-29
•
Expires: 1986-05-18
Abstract
No abstract record available.
Inventors
- 👤 Zoltan Kovats
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:51
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/10; G01F1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1015552A
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US1185736A
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US2699678A
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US2974525A
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US2870634A
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US2791118A
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US2961874A
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US3248945A
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US3060740A
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GB942113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |