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:
May. 14, 1991

Filed:

Feb. 24, 1989
Applicant:
Inventor:

Aditya Srivastava, Richardson, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364200 ; 364261 ; 364275 ; 3642443 ; 3642329 ;
Abstract

In execution of PROLOG-type programs, certain information is not saved at the time a procedure call is made. Such information is saved only if it becomes necessary, and at that time is saved in a known manner. If subsequent events make it unnecessary to save that certain information, the time required to do so has not been spent, thus improving system performance.


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