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:
Feb. 27, 2001
Filed:
Jan. 14, 2000
Wayland J. Rippstein, Jr., Alvin, TX (US);
Other;
Abstract
A disposable syringe assembly generally including a cylinder assembly,, a needle assembly,, a piston assembly,, a seal cap assembly,, a piston stem,and handle,. The cylinder assembly,may be engaged with the needle assembly,substantially near the needle end of the cylinder assembly,and the cylinder assembly may be engaged with the seal cap assembly,near the seal cap end of the cylinder assembly,. The cylinder assembly,may further including a fluid region,and an air region,. As fluid is drawn into the fluid region,by movement of the piston assembly,, air is displaced from the air region,through a one-way valve. As fluid is discharged from the cylinder assembly,, a low pressure is created in the air region,. When substantially all fluid is discharged from the cylinder assembly, a connector on the piston assembly,may engage a connector on the needle assembly,, and the needle assembly,may be disengaged from the cylinder assembly,and the needle assembly,may be retracted into the cylinder assembly
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile