Step stool
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Description
FIG. 1 is a top right front perspective view of a step stool showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a right side elevational view thereof, the left side elevational view being a mirror image;
FIG. 4 is a front elevational view thereof; the rear elevational view being a mirror image; and,
FIG. 5 is a bottom plan view thereof.
The broken line showings of circular tread in FIGS. 1 and 2 are for environmental purposes only and form no part of the claimed design.
Referenced Cited
U.S. Patent Documents
Other references
D181793 | December 1957 | Hansen |
D271256 | November 8, 1983 | McClelland |
D276861 | December 25, 1984 | Keddie |
D279238 | June 18, 1985 | Ferdinand et al. |
D284911 | August 5, 1986 | Lemmeyer |
D287434 | December 30, 1986 | Wolfe et al. |
D295001 | April 5, 1988 | Ferdinand et al. |
D298674 | November 22, 1988 | Koller, Sr. |
D307800 | May 8, 1990 | Hradisky |
D330462 | October 27, 1992 | Szablak et al. |
D335966 | June 1, 1993 | Schwartzkopf et al. |
D337211 | July 13, 1993 | Bergkvist |
D346704 | May 10, 1994 | Grosfillex |
D347527 | June 7, 1994 | Breen et al. |
D351476 | October 11, 1994 | Grosfillex |
D351508 | October 18, 1994 | Bonazza |
D351950 | November 1, 1994 | Bird et al. |
D354210 | January 10, 1995 | Dickinson et al. |
D355828 | February 28, 1995 | Dickinson et al. |
2491671 | December 1949 | Lister |
2681809 | June 1954 | Hamill |
2950753 | August 1960 | Gleitsman et al. |
3099398 | July 1963 | Croteau |
4067607 | January 10, 1978 | Battles |
4366998 | January 4, 1983 | Kaiser |
4458963 | July 10, 1984 | Keddie |
4541539 | September 17, 1985 | Matthews |
4744613 | May 17, 1988 | Brantingham et al. |
- Pp. 771, 712 and 713, Stools; Popular Mechanics, address unknown. Publication date 1938. Sell sheet, Stool; Cramer, Inc., 625 Adams Street, Kansas City, Kansas 66105. Publicationdate date Oct. 13, 1986. P. 7, Euro Stool; Dupol-Rubbermaid GmbH, An der Trift 63, D06072 Dreieich, West Germany. Publication date 1989.
Patent History
Patent number: D367967
Type: Grant
Filed: Apr 19, 1995
Date of Patent: Mar 19, 1996
Assignee: Rubbermaid Incorporated (Wooster, OH)
Inventors: Randall W. Calmeise (Oakwood Village, OH), David L. O'Neal (North Canton, OH)
Primary Examiner: Gary D. Watson
Attorneys: Richard B. O'Planick, Lisa B. Riedesel
Application Number: 0/37,724
Type: Grant
Filed: Apr 19, 1995
Date of Patent: Mar 19, 1996
Assignee: Rubbermaid Incorporated (Wooster, OH)
Inventors: Randall W. Calmeise (Oakwood Village, OH), David L. O'Neal (North Canton, OH)
Primary Examiner: Gary D. Watson
Attorneys: Richard B. O'Planick, Lisa B. Riedesel
Application Number: 0/37,724
Classifications
Current U.S. Class:
D/6336;
D/6349