Boots – shoes – and leggings – Antislipping devices – Disengaging
Reexamination Certificate
2006-06-30
2009-02-17
Kavanaugh, Ted (Department: 3728)
Boots, shoes, and leggings
Antislipping devices
Disengaging
Reexamination Certificate
active
07490418
ABSTRACT:
A shoe provides a gear assembly mounted within a heel portion, the gear assembly providing an actuator gear communicating with a plurality of drive gears. Threaded couplings are fixedly engaged with a sole portion and a plurality of spikes are threadedly engaged with the couplings. Drive shafts, transfer rotation from the drive gears to the spikes. An actuator gear is manually rotated for extending, and retracting the spikes.
REFERENCES:
patent: 3343283 (1967-09-01), Henry
patent: 3717238 (1973-02-01), Fox
patent: 3747238 (1973-07-01), Jankauskas
patent: 3793751 (1974-02-01), Gordos
patent: 4318231 (1982-03-01), Simoneau
patent: 4375729 (1983-03-01), Buchanen, III
patent: 4821434 (1989-04-01), Chein
patent: 4873774 (1989-10-01), Lafever
patent: 5269080 (1993-12-01), Davis
patent: 5289647 (1994-03-01), Mercer
patent: 5497565 (1996-03-01), Balgin
patent: 5557865 (1996-09-01), Sjosvard
patent: 5634283 (1997-06-01), Kastner
patent: 5737855 (1998-04-01), Jordan et al.
patent: 5740619 (1998-04-01), Broder
patent: 5870838 (1999-02-01), Khayat
patent: 6058627 (2000-05-01), Violette et al.
patent: 6125556 (2000-10-01), Peckler et al.
patent: 6256907 (2001-07-01), Jordan et al.
patent: 6389714 (2002-05-01), Mack
patent: 6449880 (2002-09-01), Calabrese et al.
Kavanaugh Ted
Patent Law & Venture Group
Scott Gene
LandOfFree
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