US3289744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiator safety valve
Assignee: Individual
•
Filing: 1965-02-19
•
Granted: 1966-12-06
•
Expires: 1985-02-19
Abstract
No abstract record available.
Inventors
- 👤 Warren S Hosmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:27
CPC Classifications
F; F01; F01P; F01P11/00; F01P11/02; F01P11/0204; F01P11/0209; F01P11/0247
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
COMBINATION WITH AN AUTOMOTIVE VEHICLE HAVING A RADIATOR CASING CONTAINING ENGING COOLANT UNDER PRESSURE, SAID RADIATOR CASING HAVING A TOP PLATE PROVIDED WITH A FILLING NECK CARRYING A READILY REMOVABLE RADIATOR CAP; A SAFETY VALVE COMPRISING A RUBBER DISK OF LARGER DIAMETER THAN THE FILLING NECK DISPOSED BELOW AND AXIALLY OF THE NECK WITHIN THE CASING; A MEMBER WITHIN THE CASING SUPPORTING SAID RUBBER DISK; AN ARM ON SAID MEMBER EXTENDING LATERALLY OF SAID NECK; AND MEANS IN SAID CASING FOR PIVTOLLY SUPPORTING THE OUTER END OF THE ARM TO PERMIT MOVEMENT OF THE RUBBER DISK BY PRESSURE WITHIN THE CASING INTO POSITION TO CLOSE THE FILLING NECK WHEN THE RADIATOR CAP IS REMOVED AND TO PERMIT GRAVITAL MOVEMENT OF THE DISK INTO POSITION TO OPEN SAID NECK WHEN THE RADIATOR CAP IS POSITIONED ON THE FILLING NECK.
Claim 2
Dependent Claim
138 words
COMBINATION WITH AN AUTOMOTIVE VEHICLE HAVING A RADIATOR CASING CONTAINING ENGING COOLANT UNDER PRESSURE, SAID RADIATOR CASING HAVING A TOP PLATE PROVIDED WITH A FILLING NECK CARRYING A READILY REMOVABLE RADIATOR CAP; A SAFETY VALVE COMPRISING A RUBBER DISK OF LARGER DIAMETER THAN THE FILLING NECK DISPOSED BELOW AND AXIALLY OF THE NECK WITHIN THE CASING; A MEMBER WITHIN THE CASING SUPPORTING SAID RUBBER DISK; AN ARM ON SAID MEMBER EXTENDING LATERALLY OF SAID NECK; AND MEANS IN SAID CASING FOR PIVTOLLY SUPPORTING THE OUTER END OF THE ARM TO PERMIT MOVEMENT OF THE RUBBER DISK BY PRESSURE WITHIN THE CASING INTO POSITION TO CLOSE THE FILLING NECK WHEN THE RADIATOR CAP IS REMOVED AND TO PERMIT GRAVITAL MOVEMENT OF THE DISK INTO POSITION TO OPEN SAID NECK WHEN THE RADIATOR CAP IS POSITIONED ON THE FILLING NECK.
References Cited (Backward Citations)
US3071825A
Cited
US3062506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |