Title:
Inflatable sole and heel structure with replaceable tread portions
United States Patent 3044190


Inventors:
Urban, Urbany
Application Number:
US86041859A
Publication Date:
07/17/1962
Filing Date:
12/18/1959
Assignee:
Urban, Urbany
Primary Class:
Other Classes:
36/32R, 36/35R
International Classes:
A43B13/20
View Patent Images:
US Patent References:
2917840Heel and base assembly1959-12-22
2536539Resilient heel1951-01-02
2464251Rubber heel1949-03-15
2156342Cushion heel1939-05-02
2109180Shoe construction1938-02-22
1942883Pneumatic shoe1934-01-09
1568405Pneumatic footwear construction1926-01-05
1500583Pneumatic sole1924-07-08
1449498Cushion heel1923-03-27
1407506Cushion heel1922-02-21
1382180Sole-tap for boots and shoes1921-06-21
1148376N/A1915-07-27
1109130N/A1914-09-01
1010187N/A1911-11-28
0836364N/A1906-11-20