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. 12, 2001
Filed:
Oct. 03, 2000
Donald H. De Vaughn, San Francisco, CA (US);
Wolfgang Ott, Walnut Creek, CA (US);
Bio-Plas, Inc., San Francisco, CA (US);
Abstract
A two-piece handle assembly (,) including a plunger (,) and a body (,) having an axial bore (,) in which plunger (,) can move between retracted and extended positions. The upper end (,) of body (,) includes a pair of opposed longitudinal slots (,) that permit radially outward resilient movement of the upper end (,) to enlarge a bore (,), defined by a neck portion (,) of the body, to permit insertion of plunger (,) into body (,). A plunger shoulder (,) is designed to engage a body shoulder (,) to limit movement of the plunger in the direction of retraction, and a finger pad (,) is provided to limit movement of the plunger in the direction of extension.