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. 25, 1986
Filed:
Oct. 06, 1982
Sigfrid M Olofsson, S-45500 Munkedal, SE;
Chester H Wickenberg, Elgin, IL (US);
Other;
Abstract
An air-gun in which the main cylinder and piston assembly providing the compression of the air for the projection of the shot is associated with another compensating assembly of cylinder and piston, this compensating assembly of piston and cylinder being located in the body of the main piston itself or in a chamber communicating with the main cylinder and comprising a piston free to move within the corresponding cylinder which latter is in communication at one end with the main cylinder and is closed at the other end.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile