Patent US3153831A successfully refreshed from Google Patents.
US3153831A
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Assignee: SOCIETE FRANCAISE DE FERMETURE DE LUXE FR
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Filing: 1963-08-01
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Granted: 1964-10-27
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Expires: 1983-08-01
Abstract
No abstract record available.
Inventors
- 👤 Fady Jean Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:44
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/26; A44B19/30; A44B19/306; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2561; Y10T24/2566; Y10T24/257; Y10T24/2571
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A SELF-LOCKING SLIDER FOR A SLIDER FASTENER COMPRISING A BODY MEMBER HAVING PARALLEL SPACED PLATES AND AN INTERMEDIATE CENTRAL MEMBER DEFINING A CHANNEL THROUGH WHICH THE LOCKING MEMBERS OF THE FASTENER PASS, ONE OF SAID PLATES HAVING ON ITS OUTER SURFACE A LONGITUDINALLY EXTENDING PROJECTION LOCATED CENTRALLY OF SUCH PLATE AND DIVIDED LENGTHWISE INTO TWO PARTS BY A SLOT EXTENDING THROUGH THE OUTER SIDE OF SUCH PROJECTION AND TOWARDS SAID ONE PLATE, A SUBSTANTIALLY L-SHAPED SPRING WIRE SECURED AT ONE END TO THE END OF SAID PROJECTION ADJACENT TO SAID CENTRAL MEMBER AND EXTENDING TO SAID SLOT, THE FREE END OF SAID SPRING WIRE PROJECTING DOWN THROUGH AN
Claim 2
Dependent Claim
108 words
A SELF-LOCKING SLIDER FOR A SLIDER FASTENER COMPRISING A BODY MEMBER HAVING PARALLEL SPACED PLATES AND AN INTERMEDIATE CENTRAL MEMBER DEFINING A CHANNEL THROUGH WHICH THE LOCKING MEMBERS OF THE FASTENER PASS, ONE OF SAID PLATES HAVING ON ITS OUTER SURFACE A LONGITUDINALLY EXTENDING PROJECTION LOCATED CENTRALLY OF SUCH PLATE AND DIVIDED LENGTHWISE INTO TWO PARTS BY A SLOT EXTENDING THROUGH THE OUTER SIDE OF SUCH PROJECTION AND TOWARDS SAID ONE PLATE, A SUBSTANTIALLY L-SHAPED SPRING WIRE SECURED AT ONE END TO THE END OF SAID PROJECTION ADJACENT TO SAID CENTRAL MEMBER AND EXTENDING TO SAID SLOT, THE FREE END OF SAID SPRING WIRE PROJECTING DOWN THROUGH AN
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |