Patent US5587809A successfully refreshed from Google Patents.
US5587809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System and a process for transmission of secure faxes
Assignee: Orange SA
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Filing: 1996-01-03
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Granted: 1996-12-24
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Expires: 2016-01-03
Abstract
Abstract The invention concerns a system and process for sending secure faxes that include a sending fax machine (20); a receiving fax machine (23); and a registered fax server (21). One of the fax machines is provided with a security module that assures document integrity, produces and verifies digital signatures and combats replays.
Inventors
- 👤 Herve Le Corre
- 👤 Jean-Luc Grimault
- 👤 François Boudet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:34
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/44; H04N1/4406; H04N1/444; H04L; H04L9/00; H04L9/32; H04L9/321; H04L9/3247; H04N1/32; H04N1/32358; H04N1/324; H04N1/32406; H04N1/32411; H04N1/32432; H04N1/32438; H04N1/4413; H04N1/4426; H04N1/4433; H04N1/448; H04N1/4486; H04N2201/00; H04N2201/32; H04N2201/3201; H04N2201/3212; H04N2201/3218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A process for secure transmission of a document with a "registered fax" notice, using a fax server, comprising the following steps: a secure sending step (22) for sending the document to be faxed by a sending fax machine (20) to the server (21) wherein the sending fax machine gives the server a name of a recipient; a sending step (24) in which the server sends the recipient a "registered fax" notice which has a reference number; a recall step (25) following the sending step in which the recipient (23) recalls the server and is authenticated by the server by verifying the identity of the recipient and a digital signature of the recipient, and asks the server to send the document on a specific fax machine, with the document remaining available to the recipient for a predefined time; and an authentication step for authenticating the recipient by the server, sending (26) said document to the specific fax machine and sending (27) a receipt that the document was sent to the sending fax machine.
Claim 2
Dependent Claim
172 words
A process for secure transmission of a document with a "registered fax" notice, using a fax server, comprising the following steps: a secure sending step (22) for sending the document to be faxed by a sending fax machine (20) to the server (21) wherein the sending fax machine gives the server a name of a recipient; a sending step (24) in which the server sends the recipient a "registered fax" notice which has a reference number; a recall step (25) following the sending step in which the recipient (23) recalls the server and is authenticated by the server by verifying the identity of the recipient and a digital signature of the recipient, and asks the server to send the document on a specific fax machine, with the document remaining available to the recipient for a predefined time; and an authentication step for authenticating the recipient by the server, sending (26) said document to the specific fax machine and sending (27) a receipt that the document was sent to the sending fax machine.
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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) | 1999-12-24 | 2000-06-24 | 2000-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-12-24 | 2004-06-24 | 2004-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-12-24 | 2008-06-24 | 2008-12-24 | $7700.00 | Window Closed / Lapsed |