Sheet pile
Description
FIG. 1 is a perspective view of the sheet pile;
FIG. 2 is a frontal view of the sheet pile;
FIG. 3 is a rear view of the sheet pile;
FIG. 4 is a right side view of the sheet pile;
FIG. 5 is an end view taken at line 5--5 of FIG. 2 and looking in the direction of the arrows;
FIG. 6 is a cross-sectional view taken along line 6--6 of FIG. 2 of the sheet pile;
FIG. 7 is a cross-sectional view taken along line 7--7 of FIG. 5 of the sheet pile.
Referenced Cited
U.S. Patent Documents
Other references
1841199 | January 1932 | Nolte |
2032243 | February 1936 | Wolff |
2322819 | June 1943 | Brockhurst |
3152450 | October 1964 | Muller |
- Van Huffel Catalog L-56, received 1961, p. 16, bottom left of page, item 2762/.025. Plastic Product Design by R. D. Beck, .COPYRGT. 1970, p. 357, FIG. 11-10(B) fair.
Patent History
Patent number: D245869
Type: Grant
Filed: Aug 16, 1974
Date of Patent: Sep 20, 1977
Inventor: Akemasa Otani (7-6-50 Akasaka, Minato, Tokyo)
Primary Examiner: A. Hugo Word
Attorney: Irwin C. Alter
Application Number: 5/497,932
Type: Grant
Filed: Aug 16, 1974
Date of Patent: Sep 20, 1977
Inventor: Akemasa Otani (7-6-50 Akasaka, Minato, Tokyo)
Primary Examiner: A. Hugo Word
Attorney: Irwin C. Alter
Application Number: 5/497,932
Classifications
Current U.S. Class:
D25/75
International Classification: D2501;
International Classification: D2501;