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:
Feb. 08, 2000
Filed:
Mar. 07, 1997
Srikanth Shoroff, Issaquah, WA (US);
Kyle G Peltonen, Issaquah, WA (US);
Brian T Berkowitz, Seattle, WA (US);
Mark J Zbikowski, Woodinville, WA (US);
Bartosz B Milewski, Seattle, WA (US);
Microsoft Corporation, Redmond, WA (US);
Abstract
A method and mechanism for rapidly freeing storage space allocated to any logical portion of a file. An application program provides the file system with information indicating a block of logical data to free. The file system converts the information to the physical allocation units such as the clusters corresponding to the logical block of data, and manipulates the file's meta data to indicate that the physical space is no longer allocated to the file. The file system then adds the space to disk free space. Applications such as merge applications and those managing FIFO queues may use the method and mechanism to shrink a file from the start of the file toward the end thereof without copying the logical data or adjusting internal pointers relative to the logical file data.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile