US3487245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nutating shaft fluid flow meter with shaft transducers
Assignee: Individual
•
Filing: 1965-05-19
•
Granted: 1969-12-30
•
Expires: 1985-05-19
Abstract
No abstract record available.
Inventors
- 👤 William Grant Pontis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:27
CPC Classifications
G; G01; G01F; G01F15/00; G01F15/06; G01F15/065; G01F15/066; H; H02; H02K; H02K21/00; H02K21/12; H02K99/00; H02K99/10; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18336
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2306360A
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US2432234A
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US2417108A
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US2475573A
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US2702897A
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US2816754A
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US2921468A
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US2841745A
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US3177369A
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US3354329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |