Sensitive rotating viscometer instrument with a winged multiple head array
FIG. 1 is a right perspective view of a first embodiment of a sensitive rotating viscometer instrument with a winged multiple head array showing our new design. With the exception of a rear panel and assembly stand, all other views being identical to those shown in FIGS. 3-8;
FIG. 2 is a left perspective view of a second embodiment of a sensitive rotating viscometer instrument with a winged multiple head array showing our new design. The assembly stand being shown in an alternate position;
FIG. 3 is a front view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a right side view thereof; and,
FIG. 8 is a left side view.
As shown, interior areas of the rear and bottom views are flat and unadorned which do not comprise any portion of the invention.
| D147437 | September 1947 | Folk |
| D187985 | May 1960 | Franklin |
| D205402 | August 1966 | Bradley et al. |
| 4622846 | November 18, 1986 | Moon, Jr. et al. |
| 4736593 | April 12, 1988 | Williams |
| 4878378 | November 7, 1989 | Harada |
- Lubricant World, Tannas Co. Ad, 1992, Scanning Brookfield PlusFour. Fisher Scientific; Viscosity Baths; 1991/1992; pp. 1628-1630. VWR Scientific; Petroleum Testing; 1992; p. 1052.
Type: Grant
Filed: Nov 8, 1994
Date of Patent: Feb 13, 1996
Assignee: Tannas Co. (Midland, MI)
Inventors: Theodore W. Selby (Midland, MI), Gregory C. Miller (Midland, MI), Kevin J. Wolfe (Midland, MI), Michael A. Tubbs (Zeeland, MI)
Primary Examiner: Antoine Duval Davis
Attorney: Christopher John Rudy
Application Number: 0/30,794
