US3073154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion and fluid-velocity test probe and method
Assignee: Pure Oil Co
•
Filing: 1958-12-15
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Granted: 1963-01-15
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Expires: 1978-12-15
Abstract
No abstract record available.
Inventors
- 👤 Schaschl Edward
- 👤 Glenn A Marsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:56
CPC Classifications
G; G01; G01N; G01N17/00; C; C23; C23F; C23F13/00; C23F13/02; C23F13/04; G01F; G01F1/00; G01F1/68; G01F1/684
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A DEVICE OF THE CHARACTER DESCRIBED COMPRISING A PROTECTED RESISTANCE ELEMENT, AN EXPOSED RESISTANCE ELEMENT, SAID RESISTANCE ELEMENTS, BEING CONNECTED AT ONE END TO A COMMON JUNCTURE, A THIRD RESISTANCE ELEMENT ADJACENT TO SAID PROTECTED RESISTANCE ELEMENT, A SOURCE OF MEASURED CURRENT, A BRIDGE CIRCUIT, MULTI-POSITION SWITCH MEANS SUCCESSIVELY FOR CONNECTING SAID PROTECTED RESISTANCE ELEMENT AND SAID EXPOSED RESISTANCE ELEMENT AS ADJACENT RESISTANCE ARMS OF SAID BRIDGE CIRCUIT AND FOR CONNECTING
Claim 2
Independent Claim
71 words
A DEVICE OF THE CHARACTER DESCRIBED COMPRISING A PROTECTED RESISTANCE ELEMENT, AN EXPOSED RESISTANCE ELEMENT, SAID RESISTANCE ELEMENTS, BEING CONNECTED AT ONE END TO A COMMON JUNCTURE, A THIRD RESISTANCE ELEMENT ADJACENT TO SAID PROTECTED RESISTANCE ELEMENT, A SOURCE OF MEASURED CURRENT, A BRIDGE CIRCUIT, MULTI-POSITION SWITCH MEANS SUCCESSIVELY FOR CONNECTING SAID PROTECTED RESISTANCE ELEMENT AND SAID EXPOSED RESISTANCE ELEMENT AS ADJACENT RESISTANCE ARMS OF SAID BRIDGE CIRCUIT AND FOR CONNECTING
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |