Patent US1942052A successfully refreshed from Google Patents.
Patent US3086395A successfully refreshed from Google Patents.
US3086395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flowmeter
Assignee: Individual
•
Filing: 1960-03-04
•
Granted: 1963-04-23
•
Expires: 1980-03-04
Abstract
No abstract record available.
Inventors
- 👤 Philip K York
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:07
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/36; G01F1/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A FLOWMETER FOR USE IN COMBINATION WITH A CONDUIT CONVEYING FLUID, SAID FLOWMETER INCLUDING A BAFFLE ARRANGEMENT COMPRISING A PLURALITY OF FLAT RIBBON-LIKE VANES EACH HAVING A HELICAL TWIST THEREIN ALONG THE LONGITUDINAL AXIS THEREOF, ANNULAR CAPS AT BOTH ENDS OF SAID BAFFLE ARRANGEMENT FOR MOUNTING SAID VANES WHEREBY THE VANES ARE SPACED FROM EACH OTHER BETWEEN SAID CAPS, SAID VANES SUBSTANTIALLY FILLING AND THEREBY NARROWING THE FLUID PASSAGEWAY IN SAID CONDUIT.
Claim 2
Dependent Claim
72 words
A FLOWMETER FOR USE IN COMBINATION WITH A CONDUIT CONVEYING FLUID, SAID FLOWMETER INCLUDING A BAFFLE ARRANGEMENT COMPRISING A PLURALITY OF FLAT RIBBON-LIKE VANES EACH HAVING A HELICAL TWIST THEREIN ALONG THE LONGITUDINAL AXIS THEREOF, ANNULAR CAPS AT BOTH ENDS OF SAID BAFFLE ARRANGEMENT FOR MOUNTING SAID VANES WHEREBY THE VANES ARE SPACED FROM EACH OTHER BETWEEN SAID CAPS, SAID VANES SUBSTANTIALLY FILLING AND THEREBY NARROWING THE FLUID PASSAGEWAY IN SAID CONDUIT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |