Coupler locking device and method
Patent 5700024 Issued on December 23, 1997. Estimated Expiration Date: 
September 22, 2015. 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.
September 22, 2015. 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 3884055 Coupling guard Trailer hitch lock Ball hitch trailer lock Trailer hitch Trailer hitch Coupler lock Trailer lock Anti-theft ball assembly for ball and socket trailer hitch Anti-theft coupler device InventorApplicationNo. 532085 filed on 09/22/1995US Classes:280/507Protector or lockExaminersPrimary: Hurley, KevinAttorney, Agent or FirmForeign Patent References
International ClassB60D 001/60AbstractA coupler locking device which can be affixed to the coupler mechanism of a trailer thereby preventing the accidental or unauthorized uncoupling of the coupler mechanism and which is useful both when the trailer is coupled to a towing vehicle and when the trailer is not coupled to a towing vehicle. Essentially the coupler locking device comprises a bracket which, when properly engaged with a joining member by a locking device, prevents separation of the hitch ball and the socket of the coupler mechanism as well as removal of the hitch ball from the towing vehicle, when so affixed. The method of using a coupler locking device having a bracket, joining member and a locking device. | |
