Patent US3167691A successfully refreshed from Google Patents.
US3167691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical apparatus
Assignee: —
•
Filing: —
•
Granted: 1965-01-26
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Expires: 1982-01-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:00
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0026; G01L9/0041; G01L9/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A PRESSURE TRANSDUCER COMPRISING A HELICAL FLUIDCONDUIT ELEMENT, CONNECTING MEANS FOR INSERTING SAID ELEMENT TO BRIDGE A GAP IN A FLUID CONDUIT TO PROVIDE A CONTINUOUS FLUID PATH WITH SAID FLUID CONDUIT, A FERRITE ELEMENT MEANS FASTENED TO THE OUTER SURFACE OF SAID CONDUIT ELEMENT AND MEANS FOR DETECTING A SPATIAL MOTION OF SAID FERRITE ELEMENT MEANS RELATIVE TO SAID MEANS FOR DETECTING
Claim 2
Dependent Claim
63 words
A PRESSURE TRANSDUCER COMPRISING A HELICAL FLUIDCONDUIT ELEMENT, CONNECTING MEANS FOR INSERTING SAID ELEMENT TO BRIDGE A GAP IN A FLUID CONDUIT TO PROVIDE A CONTINUOUS FLUID PATH WITH SAID FLUID CONDUIT, A FERRITE ELEMENT MEANS FASTENED TO THE OUTER SURFACE OF SAID CONDUIT ELEMENT AND MEANS FOR DETECTING A SPATIAL MOTION OF SAID FERRITE ELEMENT MEANS RELATIVE TO SAID MEANS FOR DETECTING
References Cited (Backward Citations)
US2078796A
Cited
US2452156A
Cited
US2847625A
Cited
US2810800A
Cited
US2897672A
Cited
US2972116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |