Butter knife
Persson December 15, 1
U.S. patent number D331,686 [Application Number 07/507,187] was granted by the patent office on 1992-12-15 for butter knife. Invention is credited to Bjorn Persson.
| United States Patent | D331,686 |
| Persson | December 15, 1992 |
Butter knife
Claims
The ornamental design for a butter knife, as shown and described.
| Inventors: | Persson; Bjorn (S-11426 Stockholm, SE) |
|---|---|
| Appl. No.: | 07/507,187 |
| Filed: | April 10, 1990 |
Foreign Application Priority Data
| Oct 13, 1989 [SE] | 89-2318 | |||
| Current U.S. Class: | D7/649; 294/7; D7/688 |
| Field of Search: | ;D7/642,643,649,652,670,688 ;30/147-149,340 |
References Cited [Referenced By]
U.S. Patent Documents
| D240790 | August 1976 | Daenen |
| D262684 | January 1982 | Daenen |
| D304797 | November 1989 | Perkins |
| D318600 | July 1991 | Lillelund et al. |
Other References
|
Deutsche Goldschmiede--Zeitung; Sep. 1962; p. 637, Knife bottom right of page.. |
Primary Examiner: Vales-Lado; Carmen H.
Assistant Examiner: Veynar; Caron D.
Attorney, Agent or Firm: Young & Thompson
Description
FIG. 1 is a right and top perspective view of a butter knife showing my new design; and,
FIG. 2 is a right side elevational view, the left side elevational view being a mirror image.
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