US5023394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide fastener chain for shielding the electromagnetic wave
Assignee: YKK Corp
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Filing: 1989-12-22
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Granted: 1991-06-11
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Expires: 2009-12-22
Abstract
Abstract A slide fastener chain, which possesses an ability to intercept electromagnetic waves, comprises a fastener tape made of a synthetic fiber or a natural fiber which has been coated with a three-ply electroconductive layer of Ni, Cu and Ni, which was produced sequentially by coating nickel, copper and nickel on the fastener tape by electroless plating and the fastener chain includes electroconductive fastener elements being planted along one lateral edge of the fastener tape.
Inventors
- 👤 Kozo Watanabe
- 👤 Yasuhiko Sugimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:28
CPC Classifications
G; G21; G21F; G21F1/00; G21F1/02; G21F1/10; G21F1/103; G21F1/106; A; A44; A44B; A44B19/00; A44B19/24; A44B19/34; H; H05; H05K; H05K9/00; Y; Y10; Y10S; Y10S174/00; Y10S174/11
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
66 words
A slide fastener chain, possessing an ability to intercept electromagnetic waves and comprising a fastener tape made of synthetic fibers or natural fibers and being coated with a three-ply electroconductive layer of Ni, Cu and Ni being produced by sequentially coating nickel, copper and nickel on said fastener tape by electroless plating, and electroconductive fastener elements being planted along one lateral edge of said fastener tape.
Claim 2
Dependent Claim
66 words
A slide fastener chain, possessing an ability to intercept electromagnetic waves and comprising a fastener tape made of synthetic fibers or natural fibers and being coated with a three-ply electroconductive layer of Ni, Cu and Ni being produced by sequentially coating nickel, copper and nickel on said fastener tape by electroless plating, and electroconductive fastener elements being planted along one lateral edge of said fastener tape.
Claim 3
Dependent Claim
29 words
A slide fastener chain according to claim 1, wherein said electroconductive fastener element is an element made of metal or an element made of resin and plated with metal.
References Cited (Backward Citations)
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JPS4840084A
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JPS5636921A
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JPS58164290A
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US4514586A
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US4684762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-06-10 | 1994-12-10 | 1995-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-06-10 | 1998-12-10 | 1999-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-06-10 | 2002-12-10 | 2003-06-11 | $7700.00 | Window Closed / Lapsed |