Test tube rack
Hahn , et al. October 14, 1
U.S. patent number D257,390 [Application Number 05/922,810] was granted by the patent office on 1980-10-14 for test tube rack. This patent grant is currently assigned to Sybron Corporation. Invention is credited to Heinz W. Hahn, Ravinder C. Mehra.
| United States Patent | D257,390 |
| Hahn , et al. | October 14, 1980 |
Test tube rack
Claims
The ornamental design for a test tube rack, substantially as shown and described.
| Inventors: | Hahn; Heinz W. (Rochester, NY), Mehra; Ravinder C. (Fairport, NY) |
|---|---|
| Assignee: | Sybron Corporation (Rochester,
NY) |
| Appl. No.: | 05/922,810 |
| Filed: | July 7, 1978 |
| Current U.S. Class: | D24/230 |
| Current International Class: | D0604; D2402 |
| Field of Search: | ;211/74,73,71,72 ;D6/85,151,157,181,186,188,189 ;D24/31,32 |
References Cited [Referenced By]
U.S. Patent Documents
| D207904 | June 1967 | Seymour |
| D210720 | April 1968 | Anthon |
| D250348 | November 1978 | Frangiosa |
| D251644 | April 1979 | Ravn |
| 3379315 | April 1968 | Broadwin |
| 3778232 | December 1973 | McMorrow, Jr. |
Other References
|
Cole-Parmer, Cat. 1973-1974, .RTM.1972, p. 301, Item #1135, Test Tube Rack.. |
Primary Examiner: Ansher; Bernard
Attorney, Agent or Firm: Roessel; Theodore B.
Description
FIG. 1 is a top plan view of a test tube rack showing our new design.
FIG. 2 is a front elevation view thereof.
FIG. 3 is a side elevation view thereof; and
FIG. 4 is a cross sectional view taken along lines 4--4 of FIG. 2.
The undisclosed side and rear portion of the rack are mirror images of the respective side and front shown. The broken lines are shown for illustrative purposes only.
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