Magnetic jewelry closures with wire safety clasp
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United States of America Patent
Stats
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Mar 30, 1993
Issued Date -
N/A
app pub date -
Jan 8, 1992
filing date -
Jun 12, 1990
priority date (Note) -
Expired
status (Latency Note)
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Importance

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Abstract
A jewelry closure includes a pair of magnetic closure members for magnetically engaging together and a mechanical closure which acts as a second closure or safety feature. One or both closure members includes a magnet. The mechanical closure includes a substantially stiff wire member which pivots about a first member of the closure. An intermediate portion of the wire member is engaged adjacent an end face of the second member of the closure to prevent the magnetic members from being separated until after the wire member is pivoted to the open position. The mechanical closure must be released before the magnetic closure can be released. The jewelry closure includes an end ring on each member for attaching to jewelry. A spring ring closure may optionally be attached to each of these rings for attaching jewelry, such as a chain, to the magnetic closure. Using this feature, the magnetic closure may readily be used as a replacement clasp for jewelry.

First Claim
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
DAVIDA ENTERPRISES INC | 10800 BISCAYNE BOULEVARD SUITE 510 MIAMI FL 33161 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Levy, Davida | 1340 Biscaya Dr., Surfside, FL 33154 | 12 | 318 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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