Helicopter hook

Details Helicopter hook Helicopter hook

2009-11-09

2010-11-09

Brooks, Cathron C. (Department: 2911)

Transportation

Aircraft, spacecraft, or fuselage

Element or attachment

Design Patent

active

D0626908

CLAIM:
The ornamental design for a helicopter hook, as shown and described.

REFERENCES:
patent: 3194598 (1965-07-01), Goldfuss
patent: D209917 (1968-01-01), Lelek
patent: 3575458 (1971-04-01), Crook, Jr. et al.
patent: 4122585 (1978-10-01), Sharp et al.
patent: D297877 (1988-09-01), Bergstrom
patent: 4948190 (1990-08-01), Lucas
patent: 4977647 (1990-12-01), Casebolt
patent: 5257441 (1993-11-01), Barlow
patent: 5361464 (1994-11-01), Bunnell
patent: 5463798 (1995-11-01), Wurzer
patent: D389983 (1998-01-01), Maness
patent: 6363589 (2002-04-01), Calloway et al.
Photograph of helicopter hook downloaded on Aug. 19, 2009, from web site for Aerial Machine & Tool Corp. <http://www.aerialmachineandtool.com>.
Web page titled “Helicopter Rescue Equipment” downloaded from web site for Lifesaving Systems Corporation <http://www.lifesavingsystems.com> on Oct. 22, 2009.

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