US3155933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Probe for insertion in condenser tubes or the like
Assignee: Magna Corp
•
Filing: 1961-06-26
•
Granted: 1964-11-03
•
Expires: 1981-06-26
Abstract
No abstract record available.
Inventors
- 👤 Gilson H Rohrback
- 👤 Jr Willard R Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:26
CPC Classifications
G; G01; G01N; G01N17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A CORROSION INDICATING PROBE FOR INSERTION INTO A METALLIC TUBE COMPRISING A HOLLOW CORRODIBLE ELEMENT PERMITTING FLOW OF THE CORROSIVE FLUID THERETHROUGH, ELECTRICAL LEADS EXTENDING FROM SAID ELEMENT, AND AN ELECTRICALLY INSULATING COLLAR MOUNTED ON SAID CORRODIBLE ELEMENT FOR HOLDING SAID ELEMENT IN AXIAL ALIGNMENT WITHIN SAID TUBE.
Claim 2
Dependent Claim
48 words
A CORROSION INDICATING PROBE FOR INSERTION INTO A METALLIC TUBE COMPRISING A HOLLOW CORRODIBLE ELEMENT PERMITTING FLOW OF THE CORROSIVE FLUID THERETHROUGH, ELECTRICAL LEADS EXTENDING FROM SAID ELEMENT, AND AN ELECTRICALLY INSULATING COLLAR MOUNTED ON SAID CORRODIBLE ELEMENT FOR HOLDING SAID ELEMENT IN AXIAL ALIGNMENT WITHIN SAID TUBE.
References Cited (Backward Citations)
US2484279A
Cited
US2856495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |