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US3599298A Expired / Lapsed US ⏱️ 0.0 years remaining

Clasp for jewelry and the like

Assignee: ANSON Inc
•
Filing: 1969-02-17
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Granted: 1971-08-17
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Expires: 1989-02-17
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Abstract

Abstract A clasp of the sister hook type is provided with a journaled hook which mates with an oppositely disposed journaled hook.

Inventors

  • 👤 Olof Verner Anderson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 02:17
CPC Classifications
A; A44; A44C; A44C5/00; A44C5/18; A44C5/20; A44C5/2019; A44C5/2033; F; F16; F16B; F16B45/00; F16B45/02; F16B45/035

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 163 words
In a jewelry clasp, a. a first platelike element terminating at one end in a hook defined by an inner concave edge and an outer convex edge, b. a second element comprising two plate like members in spaced relation and joined by a web, each of said plate like members terminating at one end in a hook defined by an inner concave edge and an outer convex edge, with said hooks being in alignment and adapted to receive therebetween the hook of said first plate like element, c. a bushing pivotally connecting said first and second elements at the ends remote from the hooks, d. a yieldable detent for maintaining the hook of said first element in position between the hooks of said second element, and e. a protrusion on each of the convex edges of the platelike members defining the hooks and extending outwardly of said convex edges whereby they constitute fingernail engaging means for breaking the connection of said yieldable detent.
Claim 2
Dependent Claim 163 words
In a jewelry clasp, a. a first platelike element terminating at one end in a hook defined by an inner concave edge and an outer convex edge, b. a second element comprising two plate like members in spaced relation and joined by a web, each of said plate like members terminating at one end in a hook defined by an inner concave edge and an outer convex edge, with said hooks being in alignment and adapted to receive therebetween the hook of said first plate like element, c. a bushing pivotally connecting said first and second elements at the ends remote from the hooks, d. a yieldable detent for maintaining the hook of said first element in position between the hooks of said second element, and e. a protrusion on each of the convex edges of the platelike members defining the hooks and extending outwardly of said convex edges whereby they constitute fingernail engaging means for breaking the connection of said yieldable detent.

References Cited (Backward Citations)

US1427848A Cited
US1541314A Cited
US1626642A Cited
US1751458A Cited
US1814077A Cited
GB608552A Cited
US2693626A Cited
US3144748A Cited
US3309743A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-08-16 1975-02-15 1975-08-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-08-16 1979-02-15 1979-08-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-08-16 1983-02-15 1983-08-17 $7700.00 Window Closed / Lapsed

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