Sensitive rotating viscometer instrument with a staggered multiple head array
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FIG. 1 is a right perspective view of a sensitive rotating viscometer instrument with a staggered multiple head array showing our new design;
FIG. 2 is a front view of a second embodiment showing our new design. With the exception of a pop-up viscometer assembly stand, all other views being identical to those shown in FIGS. 1 and 3-7;
FIG. 3 is a top plan view of FIG. 1, with the connection cords removed for ease of illustration;
FIG. 4 is a rear view of FIG. 1;
FIG. 5 is a bottom plan view of FIG. 1;
FIG. 6 is a right side view of FIG. 1, with the connection cords removed for ease of illustration; and,
FIG. 7 is a left side view of FIG. 1, with the connection cords removed for ease of illustration.
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 |
- Tannas Co. Catalogue, p. 4 ("Plus Eight"), 1992; Scanning Brookfield Plus Eight. 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: Mar 12, 1996
Assignee: Tannas Co. (Midland, MI)
Inventors: Theodore W. Selby (Midland, MI), Gregory C. Miiller (Midland, MI), Michael A. Tubbs (Zeeland, MI)
Primary Examiner: Antoine Duval Davis
Attorney: Christopher John Rudy
Application Number: 0/30,789
