Floor maintenance machine
Brown , et al. April 24, 1
U.S. patent number D273,622 [Application Number 06/416,656] was granted by the patent office on 1984-04-24 for floor maintenance machine. This patent grant is currently assigned to Tennant Company. Invention is credited to Neil F. Brown, Logan W. Johnson, Roger D. Star.
| United States Patent | D273,622 |
| Brown , et al. | April 24, 1984 |
Floor maintenance machine
Claims
The ornamental design for a floor maintenance machine, substantially as shown.
| Inventors: | Brown; Neil F. (Minneapolis, MN), Star; Roger D. (Wayzata, MN), Johnson; Logan W. (Edina, MN) |
|---|---|
| Assignee: | Tennant Company (Minneapolis,
MN) |
| Appl. No.: | 06/416,656 |
| Filed: | September 10, 1982 |
| Current U.S. Class: | D32/16 |
| Field of Search: | ;D32/15,16 ;15/48,49R,5R,300,320-327,340,353 |
References Cited [Referenced By]
U.S. Patent Documents
| D189718 | February 1961 | Patch |
| D257845 | January 1981 | Peabody et al. |
| 3701177 | October 1972 | Meyer et al. |
| 4009500 | March 1977 | Ashton |
Other References
|
Modern Material Handling-May 1961-p. 218 Tennant "85" Sweeper. . Industrial Equipment News-Jul. 1980-p. 25 FMC Sweeper Model 67. . IEN-Aug. 1980-p. 118 American Lincoln Sweeper.. |
Primary Examiner: Kemper; Catherine E.
Assistant Examiner: Wilder; Lynn
Attorney, Agent or Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
Description
FIG. 1 is a front perspective view of a floor maintenance machine showing our new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a rear elevational view thereof.
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