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. 19, 1997
Filed:
Oct. 04, 1995
Applicant:
Inventors:
Robert L Marvin, Jr, Farmington, CT (US);
Jui-Shang Wang, Taipei, TW;
Bernard Chiu, Wellesley, MA (US);
Assignee:
Duracraft Corporation, Southborough, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F24F / ;
U.S. Cl.
CPC ...
454200 ; 415125 ; 454210 ;
Abstract
A portable electric fan including a housing adapted for substantially covering a window opening, an enclosure movably mounted on the housing and defining an intake opening and a discharge opening, an enclosure drive coupled to the enclosure and operable to produce movement thereof on the housing, a movable blade mechanism retained in the enclosure and operable to produce air flow between the intake and discharge openings and a blade drive coupled to the blade mechanism and operable to produce movement thereof.