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:
Jan. 30, 1979
Filed:
Oct. 25, 1977
Applicant:
Inventor:
Edward W Larrabee, Bronxville, NY (US);
Assignee:
Union Carbide Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B04B / ;
U.S. Cl.
CPC ...
233 / ; 233 / ; 233 / ; 1282 / ;
Abstract
A device for holding a transparent tube in an optical sensor while excluding light from external sources. The device is automatically positioned for excluding external light upon insertion of the tube into the optical sensor.
Larrabee, Edward. (1979). Light-shielding tube holder for use with blood washing apparatus (U.S. Patent No. 4136818). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4136818
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile