Combined reusable extractor-stopper for laboratory glassware
Miskinis April 21, 1
U.S. patent number D289,378 [Application Number 06/674,418] was granted by the patent office on 1987-04-21 for combined reusable extractor-stopper for laboratory glassware. Invention is credited to Robert J. Miskinis.
| United States Patent | D289,378 |
| Miskinis | April 21, 1987 |
Combined reusable extractor-stopper for laboratory glassware
Claims
The ornamental design for a combined reusable extractor-stopper for laboratory glassware, as shown and described.
| Inventors: | Miskinis; Robert J. (Santee, CA) |
|---|---|
| Appl. No.: | 06/674,418 |
| Filed: | November 23, 1984 |
| Current U.S. Class: | D9/439; D24/224 |
| Field of Search: | ;D24/29,8 ;D9/439 ;215/355,356,296 |
References Cited [Referenced By]
U.S. Patent Documents
| D122942 | October 1940 | Grunberg |
| D128167 | July 1941 | Lorenzen |
| D155298 | September 1949 | Falce |
| D280080 | August 1985 | Miskinis |
Assistant Examiner: Reid; Stella M.
Attorney, Agent or Firm: Rubens; George J.
Description
FIG. 1 is a top perspective view of a combined reusable extractor-stopper for laboratory glassware, showing my new design.
FIG. 2 is a top plan view of the extractor-stopper.
FIG. 3 is a cross-section view of the extractor-stopper taken along line III--III of FIG. 2.
FIG. 4 is a bottom plan view thereof.
The broken line disclosure of a portion of a flask in FIG. 3 is for illustrative purpose only and forms no part of the claimed invention.
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