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.

Date of Patent:
Mar. 31, 1992

Filed:

Jun. 19, 1989
Applicant:
Inventors:

Robert L Travis, Concord, MA (US);

William R Laurune, Maple Valley, WA (US);

Assignee:

Digital Equipment Corporation, Maynard, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395700 ; 364D / ; 3642821 ; 3642831 ; 364246 ; 3642463 ; 3642624 ; 3642625 ;
Abstract

A data structure comprising a header portion and a content portion. The header portion includes an external references vector including at least one external reference item that identifies an external structure. The content portion includes data, and includes a pointer that identifies an external reference item in the external references vector, thereby referencing the inclusion of the external structure in the location of the pointer in the content portion. As a further refinement, the content portion further comprises a function pointer identifying a function external to the data structure, thereby referencing inclusion of the results of processing by the external function in the data structure at the location of the function pointer.


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