Playground tower
The broken lines shown in the Figures are for illustrative purposes only and form no part of the claimed design.
Claims
The ornamental design for a playground tower, as shown and described.
| D170143 | August 1953 | Beethovan |
| D176551 | January 1956 | Patterson |
| D181565 | November 1957 | Wallace et al. |
| 3485494 | December 1969 | Lieberman |
| 3561757 | February 1971 | Schillig |
| D224029 | June 1972 | Gale et al. |
| D281986 | December 31, 1985 | Nottingham et al. |
| D308562 | June 12, 1990 | Pentes |
| D344121 | February 8, 1994 | Warren |
| D344773 | March 1, 1994 | Aker et al. |
| D351637 | October 18, 1994 | Neidig |
| D374901 | October 22, 1996 | Cacciola et al. |
| D389892 | January 27, 1998 | Van Wagenen |
| D393303 | April 7, 1998 | Van Wagenen |
| D421283 | February 29, 2000 | Briggs et al. |
| D627848 | November 23, 2010 | Cline |
| D690382 | September 24, 2013 | Kopp et al. |
Type: Grant
Filed: Oct 10, 2013
Date of Patent: Feb 24, 2015
Assignee: Lifetime Products, Inc. (Clearfield, UT)
Inventors: Danny Green (Layton, UT), Robert A. Astle (Kaysville, UT), Joel Bennett (Clinton, UT), Eric Olsen (West Haven, UT)
Primary Examiner: Mitchell Siegel
Application Number: 29/469,503