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:
Jun. 23, 1987
Filed:
Mar. 24, 1986
Applicant:
Inventors:
Maurice Asa, Emeryville, CA (US);
David Asa, Emeryville, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
215230 ; 215306 ;
Abstract
An improved cap structure for a centrifuge tube including a flat roughened texture surface on the top thereof especially adapted to permit writing thereon with a variety of standard writing instruments.
Asa, Maurice. (1987). Cap structure for a centrifuge tube (U.S. Patent No. 4674640). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4674640
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile