US3304780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid meter
Assignee: Sensus Spectrum LLC
•
Filing: 1963-10-25
•
Granted: 1967-02-21
•
Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 Winston F Z Lee
- 👤 Harry W Fisher
- 👤 Howard J Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:05
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/10; G01F1/115; G01F1/1155
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
IN A FLUID FLOW METER, A HOUSING HAVING FLUID INLET AND OUTLET OPENINGS, A FLUID TIGHT REGISTER ASSEMBLY RIGIDLY REMOVABLY MOUNTED ON SAID HOUSING AND INCLUDING A MULTI-COMPONENT ENVELOPE AND A REGISTER UNIT MOUNTED IN SAID ENVELOPE, A MULTI-PART FLUID GUIDE STRUCTURE DISPOSED IN SAID HOUSING TO DEFINE AN ANNULAR PASSAGE BETWEEN SAID INLET OPENING AND SAID OUTLET OPENING, SAID FLUID GUIDE STRUCTURE COMPRISING AXIALLY ALIGNED SPACED APART END CORES SEPARATELY AND INDEPENDENTLY RIGIDLY SUPPORTED BY SAID HOUSING AND A CENTRAL CORE, A HOLLOW, NON-MAGNETIC TUBULAR PORTION FORMING A PART OF SAID ENVELOPE AND EXTENDING TRANSVERSELY THROUGH SAID PASSAGE AND INTO SAID CENTRAL CORE, MEANS SECURING SAID CENTRAL CORE TO SAID TUBULAR PORTION FOR REMOVAL FROM SAID HOUS-
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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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |