US3320570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Test element for measuring the deterioration effect of fluids
Assignee: ENCOA CORP
•
Filing: 1963-05-20
•
Granted: 1967-05-16
•
Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Edgar B Lied
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:10
CPC Classifications
G; G01; G01N; G01N17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A TEST ELEMENT FOR USE IN MEASURING THE DETERIORATION EFFECT OF FLUIDS, COMPRISING A SUPPORT MEMBER ADAPTED FOR INSERTION THROUGH A PASSAGE LEADING INTO A FLUID VESSEL, A TUBULAR SENSING ELEMENT HAVING A PORTION OF ITS SIDE WALL MOUNTED WITHIN SAID SUPPORT MEMBER AND HAVING A CLOSED FRONT EXTREMITY, SEAL MEANS BETWEEN SAID TUBULAR ELEMENT AND SAID SUPPORT MEMBER, SAID SENSING ELEMENT HAVING CONTACT MEANS, INCLUDING A PLURALITY OF LEAD WIRES CONNECTED THERETO, ON THE INTERIOR SURFACE OF SAID FRONT EXTREMITY, SAID TUBULAR ELEMENT HAVING A REARWARD EXTEN-
Claim 2
Dependent Claim
88 words
A TEST ELEMENT FOR USE IN MEASURING THE DETERIORATION EFFECT OF FLUIDS, COMPRISING A SUPPORT MEMBER ADAPTED FOR INSERTION THROUGH A PASSAGE LEADING INTO A FLUID VESSEL, A TUBULAR SENSING ELEMENT HAVING A PORTION OF ITS SIDE WALL MOUNTED WITHIN SAID SUPPORT MEMBER AND HAVING A CLOSED FRONT EXTREMITY, SEAL MEANS BETWEEN SAID TUBULAR ELEMENT AND SAID SUPPORT MEMBER, SAID SENSING ELEMENT HAVING CONTACT MEANS, INCLUDING A PLURALITY OF LEAD WIRES CONNECTED THERETO, ON THE INTERIOR SURFACE OF SAID FRONT EXTREMITY, SAID TUBULAR ELEMENT HAVING A REARWARD EXTEN-
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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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |