US4863789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic wave shielding laminate
Assignee: Toyo Bussan Co Ltd
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Filing: 1987-12-29
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Granted: 1989-09-05
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Expires: 2007-12-29
Abstract
Abstract An electromagnetic wave shielding laminate is composed of a substrate made of a synthetic resin with a knitted small-gauge metal wire buried therein.
Inventors
- 👤 Michio Arai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:09
CPC Classifications
H; H05; H05K; H05K9/00; H05K9/0073; H05K9/0081; H05K9/009; D; D04; D04B; D04B1/00; D04B1/14; H05K9/0094; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/109; Y10T442/11
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
62 words
An electromagnetic wave shielding laminate comprising: (a) a substrate made of a thermoplastic synthetic resin; and (b) a mesh buried in said substrate comprising, a solid metal wire having a diameter of from 5 to 70 microns, and a synthetic resin fiber intertwined with said wire to form a knitted metal wire, said knitted metal wire being arrayed to form said mesh.
Claim 2
Dependent Claim
62 words
An electromagnetic wave shielding laminate comprising: (a) a substrate made of a thermoplastic synthetic resin; and (b) a mesh buried in said substrate comprising, a solid metal wire having a diameter of from 5 to 70 microns, and a synthetic resin fiber intertwined with said wire to form a knitted metal wire, said knitted metal wire being arrayed to form said mesh.
Claim 3
Dependent Claim
27 words
An electromagnetic wave shielding laminate according to claim 1, wherein said substrate made of a synthetic resin is shaped into a film, sheet or a plate form.
Claim 4
Dependent Claim
26 words
An electromagnetic wave shielding laminate according to claim 1, wherein said film or sheet electromagnetic wave shielding laminate has an adhesive layer on one surface thereof.
Claim 5
Dependent Claim
21 words
An electromagnetic wave shielding laminate according to claim 2, wherein said electromagnetic wave shielding laminate is shaped into a tape form.
Claim 6
Dependent Claim
26 words
An electromagnetic wave shielding laminate according to claim 1, wherein said film or sheet electromagnetic wave shielding laminate has a metal layer on one surface thereof.
Claim 7
Dependent Claim
21 words
An electromagnetic wave shielding laminate according to claim 3, wherein said electromagnetic wave shielding laminate is shaped into a tape form.
Claim 8
Dependent Claim
26 words
An electromagnetic wave shielding laminate according to claim 4, wherein said film or sheet electromagnetic wave shielding laminate has a metal layer on one surface thereof.
References Cited (Backward Citations)
US3505144A
Cited
GB1259774A
Cited
US4435465A
Cited
US4678699A
Cited
US4686141A
Cited
US4631214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-09-04 | 1993-03-06 | 1993-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-09-04 | 1997-03-06 | 1997-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-09-04 | 2001-03-06 | 2001-09-05 | $7700.00 | Window Closed / Lapsed |