The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 13, 2008
Filed:
Sep. 30, 2002
Ficus Kirkpatrick, Palo Alto, CA (US);
Jackie Friedman, Seattle, WA (US);
Ficus Kirkpatrick, Palo Alto, CA (US);
Jackie Friedman, Seattle, WA (US);
Abstract
A data communication service according to the present invention is capable of tracking a connection status of a wireless device on a wireless network, receiving electronic messages from one or more senders, waiting a period of time for the wireless device to move in contact with the wireless network after the wireless device has moved out of contact with the wireless network, and, maintaining a continuous virtual connection for the period of time. The data communication service is also capable of sending information describing parameters of the connection status to one or more senders, storing messages sent to the wireless device during the period of virtual connection and transmitting the stored messages to the wireless device after the wireless device moves back in contact with the wireless network.