Secure modem gateway concentrator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Nov 13, 2012
Grant Date -
Dec 2, 2010
app pub date -
Aug 6, 2010
filing date -
Dec 30, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and system for secure access to computer equipment. An embodiment includes a secure access controller connected to a link between a transceiver (such as a modem) and the computer equipment. Public and private keys are used by the secure access controller and a remote user. The keys are provided to the secure access controller by an authentication server. Once the transceiver establishes a communication link with the user, the access controller uses these keys to authenticate packets issued by the user to the computer equipment. If the packet is authenticated, the access controller passes the packet to the computer equipment. Otherwise, the packet is discarded. Another embodiment includes a secure access controller having a plurality of ports for connection to a plurality of different pieces of computer equipment. The secure access controller thus intermediates communications between the modem and the plurality of different pieces of computer equipment.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
BCE INC | 1 CARREFOUR ALEXANDER-GRAHAM-BELL TOUR A-7 VERDUN H3E 3B3 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Lou, Dafu | Ottawa, CA | 12 | 615 |
# of filed Patents : 12 Total Citations : 615 | |||
O'Brien, William G | Mississauga, CA | 43 | 2908 |
# of filed Patents : 43 Total Citations : 2908 | |||
Yeap, Tef Hin | Ottawa, CA | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 |
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- 13 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
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Dec 10, 2012 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Nov 09, 2012 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Nov 09, 2012 |
Nov 09, 2012 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Jun 25, 2012 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Jun 16, 2011 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ALCAN TECHNOLOGY & MANAGEMENT AG;REEL/FRAME:027276/0838 Owner name: ALCAN FINANCES SWITZERLAND AG, SWITZERLAND Effective Date: Nov 16, 2009 free format text: CHANGE OF NAME;ASSIGNOR:ALCAN FINANCES SWITZERLAND AG;REEL/FRAME:027281/0495 Owner name: CONSTELLIUM SWITZERLAND AG, SWITZERLAND Effective Date: Jun 16, 2011 |
May 09, 2008 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Dec 03, 2007 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Nov 09, 2004 | I | Issuance | |
Sep 09, 2003 | F | Filing | |
Feb 21, 2001 | PD | Priority Date |

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