Control knob for chair tilting mechanism
Wilson August 11, 1
U.S. patent number D328,559 [Application Number 07/690,231] was granted by the patent office on 1992-08-11 for control knob for chair tilting mechanism. This patent grant is currently assigned to Chromcraft Furniture Corporation. Invention is credited to Robert L. Wilson.
| United States Patent | D328,559 |
| Wilson | August 11, 1992 |
Control knob for chair tilting mechanism
Claims
The ornamental design for a control knob for chair tilting mechanism, as shown and described.
| Inventors: | Wilson; Robert L. (Memphis, TN) |
|---|---|
| Assignee: | Chromcraft Furniture
Corporation (Senatobia, MS) |
| Appl. No.: | 07/690,231 |
| Filed: | April 24, 1991 |
| Current U.S. Class: | D8/312 |
| Field of Search: | ;D8/310-312,300 ;D23/250,254 ;16/11R,121 |
References Cited [Referenced By]
U.S. Patent Documents
| D111881 | October 1938 | Hoover |
| D126506 | April 1941 | Derry |
| D179942 | March 1957 | Holland |
| D195508 | June 1963 | McCabe |
| D227568 | July 1973 | Thorp |
| D231317 | April 1974 | Ludwick |
| D300652 | April 1989 | Kohlen, Jr. et al. |
| D300770 | April 1989 | Kohler, Jr. et al. |
| D314904 | February 1991 | Trinkwalder |
| 4616673 | October 1986 | Bondar |
| 4842009 | June 1989 | Reback |
Other References
|
Dimco Cat. 66; p. 10; Knob 124. . Home Hardware Cat.; p. 14, Knob 4911.. |
Primary Examiner: Bullock; B. J.
Attorney, Agent or Firm: Wolf, Greenfield & Sacks
Description
FIG. 1 is a side elevational view of a control knob for chair tilting mechanism embodying my new design all sides being identical and the mechanism being shown in broken lines for illustrative purposes only;
FIG. 2 is a bottom plan view thereof; and,
FIG. 3 is a top plan view thereof.
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