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:
Apr. 04, 1989
Filed:
Jan. 21, 1988
Applicant:
Inventor:
Kenneth K Krueger, Laguna Niguel, CA (US);
Assignee:
Denar Corporation, Anaheim, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61C / ; A61C / ;
U.S. Cl.
CPC ...
433 27 ;
Abstract
A pneumatically operated machine such as a dental drill can be used with a pneumatically operated indicator capable of providing an audible signal such as a whistle or horn so provide an indication if the machine is stopped or is being operated in reverse. The indicator used is operated through the use of the pneumatic fluid normally used to operate the machine.