US3465586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flow measuring apparatus
Assignee: Emerson Process Management Ltd
•
Filing: 1967-07-18
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Granted: 1969-09-09
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Expires: 1987-07-18
Abstract
No abstract record available.
Inventors
- 👤 James Stewart Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:04
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/76; G01F1/78; G01F1/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2934951A
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US3144769A
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US3199347A
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US3292433A
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US3306105A
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US3331244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |