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:
Nov. 05, 2013
Filed:
Sep. 08, 2003
Applicant:
Bertil R. L. Werjefelt, Kaneohe, HI (US);
Inventor:
Bertil R. L. Werjefelt, Kaneohe, HI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62C 2/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A smoke evacuation device comprises a nozzle for connection to a source of clean air supply, the nozzle being adapted to vent clean air supply in all available directions in space therefrom to provide a volume of space with clean air in the proximity of the nozzle, thereby providing visibility and breathable air to the user. The nozzle is adapted to minimize entrainment of the surrounding smoke into the volume.