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. 24, 1994
Filed:
Sep. 28, 1990
Applicant:
Inventors:
Martin Abadi, Palo Alto, CA (US);
Andrew C Goldstein, Hudson, MA (US);
Butler W Lampson, Cambridge, MA (US);
Assignee:
Digital Equipment Corporation, Maynard, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L / ; G06F / ;
U.S. Cl.
CPC ...
380 25 ; 380-4 ; 380 23 ; 380 30 ; 380 49 ; 34082531 ; 34082534 ;
Abstract
An access control list for determining the access rights of principals in a distributed system to a system resource is disclosed wherein the access rights of a specified principal are based on the access rights delegated to that principal.