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. 28, 1989
Filed:
Feb. 05, 1988
Applicant:
Inventor:
Sandy McDonald, Barrie, CA;
Assignee:
Southmedic Incorporated, Barrie, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
12820222 ; 12820227 ; 12820312 ;
Abstract
The invention provides an apparatus to retrofit existing anesthetic vaporizer canisters; said apparatus being adapted to be installed in the refill opening of a standard vaporizer canister and configured so that only one specifically assigned refill key index can be used to refill the canister in order to ensure that anesthetics are not inadvertently mixed or substituted in specifically designated vaporizer canisters.