US4993957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact pin
Assignee: Sharp Corp
•
Filing: 1989-08-16
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Granted: 1991-02-19
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Expires: 2009-08-16
Abstract
Abstract A contact pin comprising an end tip which is to be brought into contact with a terminal disposed of an IC card, for the transmission of an electric signal through the terminal, the end tip consists of an elastic body which is electrically conductive so that the terminal is prevented from being damaged while assuring the electrical contact between the end tip and the terminal.
Inventors
- 👤 Katsuhide Shino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:27
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H01R13/22; H01R13/24; H01R13/2407; H01R13/2414; H01R11/00; H01R11/11; H01R11/18; H01R4/00; H01R4/04; H05; H05K; H05K3/00; H05K3/30; H05K3/32; H05K3/325
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
51 words
In a probe-type contact pin comprising an end tip which is to be brought into contact with a terminal disposed on a circuit card, for the transmission of an electric signal through said terminal, said, end tip consists of an elastic body which has a spherical shape and is electrically conductive.
Claim 2
Dependent Claim
51 words
In a probe-type contact pin comprising an end tip which is to be brought into contact with a terminal disposed on a circuit card, for the transmission of an electric signal through said terminal, said, end tip consists of an elastic body which has a spherical shape and is electrically conductive.
Claim 3
Dependent Claim
18 words
A contact pin according to claim 1 wherein said elastic body is made of a conductive resin material.
Claim 4
Dependent Claim
30 words
A contact pin according to claim 1 wherein said elastic body is made of a resin material, and the surface of said elastic body is coated with a conductive material.
Claim 5
Dependent Claim
26 words
A contact pin according to claim 1 wherein said elastic body is attached to the main body of said contact pin by a conductive adhesive agent.
Claim 6
Dependent Claim
43 words
A contact pin according to claim 1 wherein said elastic body is attached to the main body of said contact pin by projections which are forcedly inserted into said elastic body, said projections being formed at an end portion of said main body.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-02-18 | 1994-08-20 | 1995-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-02-18 | 1998-08-20 | 1999-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-02-18 | 2002-08-20 | 2003-02-19 | $7700.00 | Window Closed / Lapsed |