Patent US4593736A successfully refreshed from Google Patents.
US4593736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Case or bag covered with a magnet shielding material
Assignee: Individual
•
Filing: 1985-01-09
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Granted: 1986-06-10
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Expires: 2005-01-09
Abstract
Abstract A case or bag for protecting and housing cards in which magnetically stored records are read out by a device to make various identifications, such as bank cards for automatic withdrawals, credit cards for purchasing goods and services on credit, membership cards for identifying membership of various clubs, and cards for identifying the seal of an individual registered with a government office, the case or bag having a portion made of a magnetic shielding plate or mesh which acts to prevent magnetic force from entering from outside the case and affecting the stored record in the cards.
Inventors
- 👤 Tamao Morita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:04
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/18; A45C11/182; G; G06; G06K; G06K19/00; G06K19/02; A45C2011/186
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
84 words
A protective card holder for encasing a card having a magnetic record stored thereon or therein comprising: a non-magnetic first liner in the shape of an envelope having a pocket therein for moveably receiving the card to completely enclose at least that part of the card containing the stored magnetic record; and a second liner of magnetic shielding material completely surrounding said pocket in substantially overlying relationship so that said second liner shields the stored magnetic record from magnetic force external to said liners.
Claim 2
Dependent Claim
84 words
A protective card holder for encasing a card having a magnetic record stored thereon or therein comprising: a non-magnetic first liner in the shape of an envelope having a pocket therein for moveably receiving the card to completely enclose at least that part of the card containing the stored magnetic record; and a second liner of magnetic shielding material completely surrounding said pocket in substantially overlying relationship so that said second liner shields the stored magnetic record from magnetic force external to said liners.
Claim 3
Dependent Claim
30 words
A card holder as claimed in claim 1 wherein said magnetic shielding material has a structure and composition which produces a magnetic field by completely capturing said external magnetic force.
Claim 4
Dependent Claim
25 words
A card holder as claimed in claim 1 and further comprising a third outer liner of non-magnetic material surrounding said second liner in overlying relationship.
Claim 5
Dependent Claim
25 words
A card holder as claimed in claim 2 and further comprising a third outer liner of non-magnetic material surrounding said second liner in overlying relationship.
Claim 6
Dependent Claim
17 words
A card holder as claimed in claim 1 wherein said second liner comprises a flexible mesh material.
Claim 7
Dependent Claim
17 words
A card holder as claimed in claim 2 wherein said second liner comprises a flexible mesh material.
Claim 8
Dependent Claim
17 words
A card holder as claimed in claim 3 wherein said second liner comprises a flexible mesh material.
Claim 9
Dependent Claim
17 words
A card holder as claimed in claim 4 wherein said second liner comprises a flexible mesh material.
Claim 10
Dependent Claim
16 words
A card holder as claimed in claim 1 wherein said second liner comprises solid plate material.
Claim 11
Dependent Claim
16 words
A card holder as claimed in claim 2 wherein said second liner comprises solid plate material.
Claim 12
Dependent Claim
16 words
A card holder as claimed in claim 3 wherein said second liner comprises solid plate material.
Claim 13
Dependent Claim
16 words
A card holder as claimed in claim 4 wherein said second liner comprises solid plate material.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-06-09 | 1989-12-09 | 1990-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-09 | 1993-12-09 | 1994-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-09 | 1997-12-09 | 1998-06-10 | $7700.00 | Window Closed / Lapsed |