Patent US4507817A successfully refreshed from Google Patents.
US3102659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety radiator cap with shiftable latch
Assignee: Stant USA Corp
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Filing: 1960-08-19
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Granted: 1963-09-03
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Expires: 1980-08-19
Abstract
No abstract record available.
Inventors
- 👤 Eldred R Bowden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:33
CPC Classifications
F; F01; F01P; F01P11/00; F01P11/02; F01P11/0204; F01P11/0209; F01P11/0247
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
138 words
A CLOSURE CAP COMPRISING A CAP BODY HAVING A DOWNTURNED, PERIMETRAL FLANGE, SAID FLANGE BEING FORMED TO DEFINE A RADIALLY-OUTWARDLY PROJECTING EAR, AN INTURNED RETAINER FINGER ADJACENT THE DISTAL EDGE OF SAID FLANGE ENGAGEABLE, UPON TURNING MOVEMENT, WITH A CONVENTIONAL FILLER NECK LIP TO RETAIN SAID BODY ON SUCH A NECK, THE PERIPHERAL MIDPOINT OF SAID FINGER BEING SPACED APPROXIMATELY 90* FROM THE PERIPHERAL CENTER OF SAID EAR, A LATCH ELEMENT RECEIVED AND GUIDED WITHIN SAID EAR FOR LIMITED RADIAL MOVEMENT RELATIVE TO SAID CAP BODY, SPRING MEANS HOUSED IN SAID EAR AND ENGAGING SAID LATCH ELEMENT AND YIELDABLY RESISTING RADIALLY OUTWARD MOVEMENT THEREOF, AND MANUALLY MANIPULABLE MEANS OPERATIVELY ASSOCIATED WITH SAID LATCH ELEMENT AND ACCESSIBLE FROM OUTSIDE SAID CAP BODY, WHEREBY RETROGRADE TURNING MOVEMENT OF SAID CAP WILL BE ARRESTED UNTIL SAID LATCH ELEMENT IS MANUALLY RETRACTED.
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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |