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. 23, 1976
Filed:
Aug. 18, 1975
Applicant:
Inventors:
Richard G Buckles, Redwood City, CA (US);
Harold M Leeper, Mountain View, CA (US);
Su Il Yum, Sunnyvale, CA (US);
Alan S Michaels, Atherton, CA (US);
Assignee:
Alza Corporation, Palo Alto, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
A61M / ; B65D / ;
U.S. Cl.
CPC ...
1282 / ; 128D / ; 2223865 ; 222215 ; 222107 ;
Abstract
An improvement in liquid dispensers, especially those used to infuse liquid drugs into patients from an expansible elastomeric bladder of specific geometry and elastomeric properties, is disclosed. The improvement is in making the bladder from an elastomeric composition whose stress relaxation does not exceed 10%, and whose low frequency hysteresis does not exceed 10%.
Buckles, Richard. (1976). Liquid delivery device bladder (U.S. Patent No. 3993069). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3993069
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile