Footwear with manually extendable spikes

Boots – shoes – and leggings – Antislipping devices – Disengaging

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

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.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Footwear with manually extendable spikes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Footwear with manually extendable spikes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Footwear with manually extendable spikes will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4053808

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.