Doorknob
Sun , et al. June 28, 2
U.S. patent number D506,665 [Application Number D/194,952] was granted by the patent office on 2005-06-28 for doorknob. This patent grant is currently assigned to Tung Lung Metal Industry Co., Ltd.. Invention is credited to Chia Min Sun, Ju Lin Yang.
| United States Patent | D506,665 |
| Sun , et al. | June 28, 2005 |
| **Please see images for: ( Certificate of Correction ) ** |
Doorknob
Claims
The ornamental design for a doorknob, as shown and described.
| Inventors: | Sun; Chia Min (Min-Hsiung, TW), Yang; Ju Lin (Chiayi, TW) |
|---|---|
| Assignee: | Tung Lung Metal Industry Co.,
Ltd. (Chiayi, TW) |
| Appl. No.: | D/194,952 |
| Filed: | December 3, 2003 |
Foreign Application Priority Data
| Aug 15, 2003 [TW] | 92305024 | |||
| Current U.S. Class: | D8/310 |
| Current International Class: | 0806 |
| Field of Search: | ;D8/301,302,DIG.2,307,310,338,350,352,379 ;D23/250,251,254 ;292/347,357 ;16/402,412,414,417,433,441,442,DIG.30,691 |
References Cited [Referenced By]
U.S. Patent Documents
| D43534 | February 1913 | Hawley |
| D105146 | June 1937 | Sinko |
| D173850 | January 1955 | Ohno |
| D179220 | November 1956 | Russell |
| D179458 | December 1956 | Ohno |
| D179679 | February 1957 | Ellis |
| D182623 | April 1958 | Russell |
| D186083 | September 1959 | Mair |
| D199922 | December 1964 | Schlage |
| D225393 | December 1972 | Giandomenico |
| D454049 | March 2002 | LaPlume et al. |
| D492887 | July 2004 | Wu |
Other References
|
Kitchen & Bath Source Book, 1996/97., McGraw-Hill Publishers, New York, NY, pp. 20-30.. |
Primary Examiner: Deshmukh; Prabhakar
Assistant Examiner: McCormick; Jean E.
Attorney, Agent or Firm: Senniger Powers
Description
FIG. 1 is a perspective view of a doorknob of the subject design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof, the right side elevational view being symmetric to the left side elevational view; and,
FIG. 5 is a top plan view thereof, the bottom plan view being symmetric to the top plan view.
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