Hinged and quick mount guard for an electric fan
Patent 5002462 Issued on March 26, 1991. Estimated Expiration Date: 
November 1, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 1, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2215035 2653757 3262638 3787142 3791333 Portable air circulating fan Modular switch housing for an electric motor Low profile shrouded fan system Switch system for overhead electric cords Oscillating fan InventorAssigneeApplicationNo. 430130 filed on 11/01/1989US Classes:416/247R, PROTECTIVE SCREEN OR GUARD403/338, Clamped417/423.14With specific housing detailsExaminersPrimary: Kwon, John T.Assistant: Nguyen, Hoang Attorney, Agent or FirmForeign Patent References
International ClassesF03D 003/00F03D 011/00 AbstractA hinged and quick mount guard for an electric fan. The fan guard includes a concave, dish-shaped rear guard member having an axial opening for the reception of a fan motor shaft, and a plurality of key holes for the reception of thru-bolts on the fan motor for securing the rear guard member to the fan motor. The fan guard includes a concave, dish-shaped front guard member hingedly and releasably retained on the rear guard member.Other References
Field of SearchPROTECTIVE SCREEN OR GUARDWater or marine propellers WITH SEPARATING MEANS OR GUARD FOR SOLID MATTER IN WORKING FLUID (E.G., DEBRIS, ETC.) INCLUDING CASING PART SELECTIVELY MOVABLE RELATIVE TO FIXED SUPPORT INTERCONNECTED FLANGES OR SHOULDERS Clamped WITH ADJUNCTIVE SHIELD Rotary motor and rotary nonexpansible chamber pump With specific housing details | |
