Chemical detergent block
Gladfelter , et al. April 20, 1
U.S. patent number D334,968 [Application Number 07/699,784] was granted by the patent office on 1993-04-20 for chemical detergent block. This patent grant is currently assigned to Ecolab Inc.. Invention is credited to Daniel K. Boche, James L. Copeland, Elizabeth J. Gladfelter, Tina O. Outlaw, Jeff W. Peterson, Rhonda K. Schulz.
| United States Patent | D334,968 |
| Gladfelter , et al. | April 20, 1993 |
Chemical detergent block
Claims
The ornamental design for a chemical detergent block, as shown and described.
| Inventors: | Gladfelter; Elizabeth J. (Falcon Heights, MN), Outlaw; Tina O. (Inver Grove Heights, MN), Copeland; James L. (Burnsville, MN), Schulz; Rhonda K. (Burnsville, MN), Boche; Daniel K. (Eagan, MN), Peterson; Jeff W. (Minnetonka, MN) |
|---|---|
| Assignee: | Ecolab Inc. (St. Paul,
MN) |
| Appl. No.: | 07/699,784 |
| Filed: | May 14, 1991 |
| Current U.S. Class: | D23/207; D24/101; D28/8.1 |
| Field of Search: | ;D23/207 ;D24/100-104 ;D28/8.1 ;252/90,174.23,174,156,DIG.2,DIG.3 ;206/.5,524.1 ;403/305 |
References Cited [Referenced By]
U.S. Patent Documents
| D283649 | April 1986 | Casberg |
| D285729 | September 1986 | Tovey |
| D304244 | October 1989 | Tovey |
| 3925225 | December 1975 | Morrison |
| 4569780 | February 1986 | Fernholz et al. |
| 5122158 | June 1992 | Kuroda et al. |
| 5133892 | July 1992 | Chun et al. |
Assistant Examiner: Brown; Melody
Attorney, Agent or Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
Description
FIG. 1 is a perspective view of a chemical detergent block showing our new design;
FIG. 2 is a top plan view thereof; and,
FIG. 3 is a side elevational view thereof all other sides being mirror images of that shown.
The bottom view is flat and unornamented.
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