Multi-head floor-grinding machine with pivoting heads
The dashed lines showing the drive heads in
Claims
The ornamental design for a multi-head floor-grinding machine with pivoting heads, as shown and described.
2301164 | November 1942 | Mall |
D205234 | July 1966 | Dreyfuss et al. |
D267320 | December 21, 1982 | Symonds |
D300224 | March 14, 1989 | Schold et al. |
D306598 | March 13, 1990 | Swartzendruber et al. |
D308687 | June 19, 1990 | Demlow |
6238277 | May 29, 2001 | Duncan et al. |
7247085 | July 24, 2007 | Anderson |
7261623 | August 28, 2007 | Palushi |
7357700 | April 15, 2008 | Lundberg et al. |
7640622 | January 5, 2010 | Vankouwenberg |
D623669 | September 14, 2010 | Kromminga et al. |
20050235453 | October 27, 2005 | Vankouwenberg |
20070155285 | July 5, 2007 | Padgett et al. |
20070264917 | November 15, 2007 | Lundberg et al. |
20080248725 | October 9, 2008 | Craycraft |
20090023369 | January 22, 2009 | Thysell |
20100176567 | July 15, 2010 | Neudeck |
20100197210 | August 5, 2010 | Goldberg et al. |
20100267316 | October 21, 2010 | Silver et al. |
Type: Grant
Filed: May 19, 2010
Date of Patent: Jun 26, 2012
Inventor: Howard Goentzel (Palmer, AK)
Primary Examiner: Mark Goodwin
Attorney: Michael J. Tavella
Application Number: 29/349,917