US3253485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiator cap remover
Assignee: Grote Manufacturing Co
•
Filing: 1965-03-09
•
Granted: 1966-05-31
•
Expires: 1985-03-09
Abstract
No abstract record available.
Inventors
- 👤 Walter F Grote
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:56
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/0035; B25B27/0042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A TOOL FOR SAFELY REMOVING FROM A RADIATOR SHELL OR THE LIKE AN AUTOMOTIVE RADIATOR CAP HAVING DIAMETRICALLY OPPOSED EARS AND REQUIRING TO BE ROTATED FOR ITS DISCONNECTION FROM THE SHELL, SAID TOOL COMPRISING A GENERALLY CIRCULAR TOP PORTION CONSTITUTING A HANDLE AND PROVIDED WITH A FLEXIBLE ANNULAR MARGINAL SKIRT, AND A PAIR OF MATERIALLY LESS FLEXIBLE SEGMENTAL FLANGES EXTENDING DOWNWARDLY FROM THE HANDLE WITHIN THE SKIRT AND HAVING SPACED ENDS ADAPTED TO RECEIVE THE EARD OF THE CAP, EACH OF THE SEGMENTS BEING PROVIDED WITH AN INNER FACE PROVIDED WITH AN INWARDLY PROJECTING ARCUATE LIP AXIALLY SPACED FROM SAID TOP PORTION BY SUBSTANTIALLY THE THICKNESS OF THE CAP TO BE REMOVED, THE SAID LIPS BEING TAPERED IN CROSS SECTION BOTH UPWARDLY AND DOWNWARDLY AND THE SEGMENTS BEING SUFFICIENTLY FLEXIBLE TO PERMIT THE LIPS TO BE FORCED OVER THE RADIATOR CAP WHEN THE EARS OF THE CAP ARE RECEIVED BETWEEN THE ENDS OF SAID SEGMENTS, THE SKIRT BEING OF GREATER AXIAL LENGTH THAN THE SEGMENTS FOR ENGAGING WITH A RADIAL SHELL FOR CONFINING HOT FLUIDS WHEN THE CAP IS RELEASED FROM THE SHELL.
Claim 2
Dependent Claim
183 words
A TOOL FOR SAFELY REMOVING FROM A RADIATOR SHELL OR THE LIKE AN AUTOMOTIVE RADIATOR CAP HAVING DIAMETRICALLY OPPOSED EARS AND REQUIRING TO BE ROTATED FOR ITS DISCONNECTION FROM THE SHELL, SAID TOOL COMPRISING A GENERALLY CIRCULAR TOP PORTION CONSTITUTING A HANDLE AND PROVIDED WITH A FLEXIBLE ANNULAR MARGINAL SKIRT, AND A PAIR OF MATERIALLY LESS FLEXIBLE SEGMENTAL FLANGES EXTENDING DOWNWARDLY FROM THE HANDLE WITHIN THE SKIRT AND HAVING SPACED ENDS ADAPTED TO RECEIVE THE EARD OF THE CAP, EACH OF THE SEGMENTS BEING PROVIDED WITH AN INNER FACE PROVIDED WITH AN INWARDLY PROJECTING ARCUATE LIP AXIALLY SPACED FROM SAID TOP PORTION BY SUBSTANTIALLY THE THICKNESS OF THE CAP TO BE REMOVED, THE SAID LIPS BEING TAPERED IN CROSS SECTION BOTH UPWARDLY AND DOWNWARDLY AND THE SEGMENTS BEING SUFFICIENTLY FLEXIBLE TO PERMIT THE LIPS TO BE FORCED OVER THE RADIATOR CAP WHEN THE EARS OF THE CAP ARE RECEIVED BETWEEN THE ENDS OF SAID SEGMENTS, THE SKIRT BEING OF GREATER AXIAL LENGTH THAN THE SEGMENTS FOR ENGAGING WITH A RADIAL SHELL FOR CONFINING HOT FLUIDS WHEN THE CAP IS RELEASED FROM THE SHELL.
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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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |