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:
Nov. 07, 2017
Filed:
Mar. 14, 2013
Facebook, Inc., Menlo Park, CA (US);
Ruifang Ge, Palo Alto, CA (US);
Rahul Narayan Iyer, Palo Alto, CA (US);
Jiakai Liu, Palo Alto, CA (US);
Kannan Muthukkaruppan, Union City, CA (US);
Dylan Nugent, Chicago, IL (US);
Anshuman Singh, Sunnyvale, CA (US);
Karthik Ranganathan, Fremont, CA (US);
Facebook, Inc., Menlo Park, CA (US);
Abstract
The disclosed techniques provide systems and methods for deletion of end-user messages, message threads, attachments, and/or other message information. More specifically, a key-value store residing in computer memory on the storage system is described. Each value in the key-value store is indexed by a key and structured to include multiple column portions associated with multiple column families. In one embodiment, a deletion column family having an associated retention policy for data stored therein is defined.