Boots – shoes – and leggings – Boots and shoes – Occupational or athletic shoe
Patent
1982-02-12
1984-05-15
Lawson, Patrick D.
Boots, shoes, and leggings
Boots and shoes
Occupational or athletic shoe
A43B 504
Patent
active
044479697
ABSTRACT:
A boot or a boot add-on for walking on sand, mud, snow, marshes, or other soft material with moveable wings that open to increase the surface area which prevents sinking into the soft material.
REFERENCES:
patent: 3747236 (1973-07-01), Sidlauskas
patent: 3783532 (1974-01-01), Harradine
Hilke Charles N.
Lawson Patrick D.
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