Patent US4816613A successfully refreshed from Google Patents.
US4816613A
Expired / Lapsed
US
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Electrical shielding case
Assignee: Murata Manufacturing Co Ltd
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Filing: 1987-12-23
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Granted: 1989-03-28
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Expires: 2007-12-23
Abstract
Abstract An electrical shielding case for shielding a plurality of circuits from each other, which includes a plurality of plate portions formed by dividing a metallic flat plate, and remaining parts of the plate portions left for connection when outer peripheries of the plate portions are cut off, with each of the plate portions being folded at the remaining portions as fulcrums so as to form the electrical shielding case, and is characterized in that there are provided bendable cut and raised portions formed at parts of other confronting plate portions interfering with end faces of the plate portions upon folding thereof.
Inventors
- 👤 Katsuo Ito
- 👤 Kazunori Kinoshita
- 👤 Kazuhiro Tsuji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:26
CPC Classifications
H; H05; H05K; H05K5/00; H05K5/04; H05K9/00; H05K9/0007; H05K9/006; Y; Y10; Y10S; Y10S174/00; Y10S174/34; Y10S174/35
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
96 words
In an electrical shielding case for shielding a plurality of circuits from each other, which comprises a plurality of plate portions formed by dividing a metallic flat plate, and remaining parts of the plate portions left for connection when outer peripheries of said plate portions are cut off, each of said plate portions being folded at said remaining portions as fulcrums so as to form said electrical shielding case, the improvement comprising cut and raised portions bendably formed at parts of other confronting plate portions interfering with end faces of said plate portions upon folding thereof.
Claim 2
Dependent Claim
96 words
In an electrical shielding case for shielding a plurality of circuits from each other, which comprises a plurality of plate portions formed by dividing a metallic flat plate, and remaining parts of the plate portions left for connection when outer peripheries of said plate portions are cut off, each of said plate portions being folded at said remaining portions as fulcrums so as to form said electrical shielding case, the improvement comprising cut and raised portions bendably formed at parts of other confronting plate portions interfering with end faces of said plate portions upon folding thereof.
Claim 3
Independent Claim
91 words
A method of manufacturing an electrical shielding case which comprises the steps of forming a plurality of plate portions by dividing a metallic flat plate, cutting off outer peripheries of said plate portions, with remaining parts of said plate portions being left for connection, and folding each of said plate portions at said remaining portions as fulcrums so as to form said electrical shielding case, with bendable cut and raised portions being formed at parts of other confronting plate portions interfering with end faces of said plate portions upon folding thereof.
Claim 4
Independent Claim
91 words
A method of manufacturing an electrical shielding case which comprises the steps of forming a plurality of plate portions by dividing a metallic flat plate, cutting off outer peripheries of said plate portions, with remaining parts of said plate portions being left for connection, and folding each of said plate portions at said remaining portions as fulcrums so as to form said electrical shielding case, with bendable cut and raised portions being formed at parts of other confronting plate portions interfering with end faces of said plate portions upon folding 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) | 1992-03-27 | 1992-09-26 | 1993-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-03-27 | 1996-09-26 | 1997-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-03-27 | 2000-09-26 | 2001-03-28 | $7700.00 | Window Closed / Lapsed |