US3127246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Head gasket leak tester
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
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Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:03
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/025; G01M3/04; G01M3/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A HEAD GASKET LEAK DETECTOR FOR AN INTERNAL COMBUSTION ENGINE HAVING A LIQUID COOLING SYSTEM, WHICH SYSTEM INCLUDES A RADIATOR AND A FILLER NECK FOR THE RADIATOR, SAID DETECTOR INCLUDING A BASE, MEANS ON SAID BASE FOR SECURING IT TO A RADIATOR FILLER NECK, A RUBBER STOPPER SECURED TO SAID BASE AND EXTENDING INTO SAID NECK TO CLOSE THE FILLER NECK, A PASSAGEWAY EXTENDING THROUGH SAID BASE AND STOPER AND LEADING TO THE INTERIOR OF SAID RADIATOR, A RECEPTACLE MOUNTED ON SAID BASE, SAID PASSAGEWAY ALSO LEADING TO SAID RECEPTACLE TO CONVEY GASES INTRODUCED INTO THE COOLING SYSTEM TO SAID RECEPTACEL AND MEANS WITHIN THE RECEPTACLE FOR HOLDING MATERIAL INDICATING THE PRESENCE OF CARBON MONOXIDE AND THE LIKE, SAID MEANS COMMUNICATING WITH SAID PASSAGEWAY AND WITH THE INTERIOR OF SAID RECEPTACLE.
Claim 2
Dependent Claim
131 words
A HEAD GASKET LEAK DETECTOR FOR AN INTERNAL COMBUSTION ENGINE HAVING A LIQUID COOLING SYSTEM, WHICH SYSTEM INCLUDES A RADIATOR AND A FILLER NECK FOR THE RADIATOR, SAID DETECTOR INCLUDING A BASE, MEANS ON SAID BASE FOR SECURING IT TO A RADIATOR FILLER NECK, A RUBBER STOPPER SECURED TO SAID BASE AND EXTENDING INTO SAID NECK TO CLOSE THE FILLER NECK, A PASSAGEWAY EXTENDING THROUGH SAID BASE AND STOPER AND LEADING TO THE INTERIOR OF SAID RADIATOR, A RECEPTACLE MOUNTED ON SAID BASE, SAID PASSAGEWAY ALSO LEADING TO SAID RECEPTACLE TO CONVEY GASES INTRODUCED INTO THE COOLING SYSTEM TO SAID RECEPTACEL AND MEANS WITHIN THE RECEPTACLE FOR HOLDING MATERIAL INDICATING THE PRESENCE OF CARBON MONOXIDE AND THE LIKE, SAID MEANS COMMUNICATING WITH SAID PASSAGEWAY AND WITH THE INTERIOR OF SAID RECEPTACLE.
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) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |