Patent US3618428A successfully refreshed from Google Patents.
US3618428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile radiator cap tool
Assignee: Individual
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Filing: 1970-06-29
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Granted: 1971-11-09
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Expires: 1990-06-29
Abstract
Abstract THIS DISCLOSURE CONCERNS A SMALL HAND TOOL ADAPTED FOR USE IN REMOVING AN AUTOMOBILE RADIATOR CAP AND PARTICULARLY FOR USE IN REMOVING A CAP FROM THE RADIATOR OF AN OVERHEATED AUTOMOBILE ENGINE SAFELY AND WITHOUT HAZARD OF INJURY TO THE USER BY BOILING HOT FLUIDS FROM THE ENGINE COOLING SYSTEM. THE TOOL IS PROVIDED WITH SOCKET STRUCTURE ADAPTED TO FIT OVER THE RADIATOR CAP AND PERMIT REMOVAL THEREOF, IT INCLUDES A DEEP BOWL-LIKE SHIELD HAVING A RIM PORTION FLARED DOWNWARDLY OVER THE SOCKET STRUCTURE FOR DEFLECTING HOT LIQUIDS FROM A RADIATOR AWAY FROM THE USER, AND INCLUDRES A T-SHAPED HANDLE FOR MANIPULATION OF THE TOOL.
Inventors
- 👤 Charles Dennis Phipps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:57
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/0035; B25B27/0042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |