Patent US4564722A successfully refreshed from Google Patents.
US4564722A
Expired / Lapsed
US
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Contacting device for protecting electronic components against electromagnetic radiation
Assignee: Telefonaktiebolaget LM Ericsson AB
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Filing: 1984-10-26
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Granted: 1986-01-14
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Expires: 2004-10-26
Abstract
Abstract A contacting device is provided for achieving conductive contact between casing parts in the form of flat walls provided for electronic equipment. The device comprises a metallic strip (2) placed in perforations (3, 4, 5) along the edges of the wall (1), so that the strip runs in a wave-like form on both sides of the wall.
Inventors
- 👤 Jerry K. G. Nordin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:49
CPC Classifications
H; H05; H05K; H05K9/00; H05K9/0007; H05K9/0015; H05K9/0016
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
91 words
A contacting device for shielding electronic components against electromagnetic radiation, said device comprising a metallic casing having removable sheet metal walls, a contact strip achieving electrically conductive contact between the sheet metal walls, the contact strip comprises a flexible elongate band, continuously extending along one of said sheet metal walls, and retaining means for the strip in the form of cut-outs along the edge of the wall, the strip being fixed in said cutouts so that the strip is given a continuous wave form running on both sides of the wall.
Claim 2
Dependent Claim
91 words
A contacting device for shielding electronic components against electromagnetic radiation, said device comprising a metallic casing having removable sheet metal walls, a contact strip achieving electrically conductive contact between the sheet metal walls, the contact strip comprises a flexible elongate band, continuously extending along one of said sheet metal walls, and retaining means for the strip in the form of cut-outs along the edge of the wall, the strip being fixed in said cutouts so that the strip is given a continuous wave form running on both sides of the wall.
Claim 3
Dependent Claim
33 words
A contacting device as claimed in claim 1, wherein each cutout has a narrower portion and a wider portion, said strip being placed in the wider portion and engaging against the edge thereof.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-01-13 | 1989-07-15 | 1990-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-01-13 | 1993-07-15 | 1994-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-01-13 | 1997-07-15 | 1998-01-14 | $7700.00 | Window Closed / Lapsed |