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:
May. 06, 1980
Filed:
May. 24, 1978
Applicant:
Inventors:
Harry H LeVeen, Brooklyn, NY (US);
Robert F LeVeen, Omaha, NE (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; B29F / ; A61F / ;
U.S. Cl.
CPC ...
1282 / ; 222386 ; 264255 ; 264259 ; 264328 ;
Abstract
Articles having portions of materials with different properties are integrally formed by injection of two different thermoplastic materials simultaneously through separate gates into the same mold wherein the materials fuse or bond together. A plunger for a syringe formed by the process has a rigid shaft and an elastomeric head.
LeVeen, Harry. (1980). Molded hypodermic plunger with integral shaft and elastomeric head (U.S. Patent No. 4201209). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4201209
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile