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:
Aug. 30, 1988
Filed:
Nov. 25, 1986
Douglas D Bennett, Cambridge, MD (US);
Earl C Francis, Milford, DE (US);
Dentsply Research & Development Corp., Milford, DE (US);
Abstract
A miniature capsule-like cartridge adapted to be operated by being mounted in an ejector holder and including a tubular body of uniform inner diameter open at one end and the other end being closed but having a discharge opening therein, the body containing a complementary piston having an innermost pressure end complementary to the interior of the closed end of the body end and provided with an integral thin cylindrical wall at least precisely complementary in outer diameter to the inner diameter of the tubular body and extending axially away from the pressure end of the piston, the piston being operable by a piston post integral at one end with and extending axially away from the pressure end of the piston and connected to the thin cylindrical sleeve by a reinforcing rib extending integrally therebetween.