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US Patent 8904493 Image-based challenge-response testing

Patent 8904493 was granted and assigned to Google on December, 2014 by the United States Patent and Trademark Office.

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Current Assignee

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

Date of Patent

December 2, 2014

Patent Application Number

13597533

Date Filed

August 29, 2012

Patent Citations Received

US Patent 12136129 Disestablishing entity's selected resource computation in response to loss of nexus establishment condition for selected domain

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US Patent 12028409 Coarse values for estimating less-than-critical resources

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US Patent 12113871 Online service platform (OSP) generating and transmitting on behalf of primary entity to third party proposal of the primary entity while maintaining the primary entity anonymous

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US Patent 12125113 Disestablishing entity's selected resource computation in response to loss of nexus establishment condition for selected domain

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US Patent 11755749 System and method for reverse-Turing bot detection

US Patent 11928744 Nexus notification platform

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US Patent 11979466 Online service platform (OSP) generating and transmitting on behalf of primary entity to third party proposal of the primary entity while maintaining the primary entity anonymous

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US Patent 12028273 Computing systems, networks, and notifications

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