Doorknob
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Description
FIG. 1 is a back view of a doorknob of the new design;
FIG. 2 is a top view of the doorknob of FIG. 1, the bottom view being identical;
FIG. 3 is a front view of the doorknob of FIG. 1;
FIG. 4 is a perspective view of the doorknob of FIG. 1;
FIG. 5 is a back view of a second embodiment of a doorknob of the new design;
FIG. 6 is a top view of the doorknob of FIG. 5, the bottom view being identical;
FIG. 7 is a front view of the doorknob of FIG. 5; and,
FIG. 8 is a perspective view of the doorknob of FIG. 5.
The portions of the Figures shown in phantom lines are not part of the claimed design but are for illustration only.
Claims
The ornamental design for a doorknob, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
D43534 | February 1913 | Hawley |
D105146 | June 1937 | Sinko |
D164606 | October 1951 | Schlage |
D173850 | January 1955 | Ohno |
D179220 | November 1956 | Russell |
D179458 | December 1956 | Ohno |
D179679 | February 1957 | Ellis |
D180188 | April 1957 | Herider |
2797950 | July 1957 | Michael |
D182623 | April 1958 | Russell |
D186083 | September 1959 | Mair |
D199922 | December 1964 | Schlage |
D225393 | December 1972 | Giandomenico |
D262773 | January 26, 1982 | Wansbrough et al. |
D263554 | March 30, 1982 | Wasbrough et al. |
D271464 | November 22, 1983 | Carlson |
D283800 | May 13, 1986 | Beerens |
D337813 | July 27, 1993 | Levien |
D348602 | July 12, 1994 | Carsello |
D355838 | February 28, 1995 | Chieda |
D368640 | April 9, 1996 | Sonnenleiter |
D369086 | April 23, 1996 | Bergen |
D385956 | November 4, 1997 | Doughty et al. |
5685583 | November 11, 1997 | Mack et al. |
D396179 | July 21, 1998 | Burns et al. |
D396180 | July 21, 1998 | Burns et al. |
D401834 | December 1, 1998 | Burns et al. |
D403750 | January 5, 1999 | Fabian |
D405216 | February 2, 1999 | Porter et al. |
D405995 | February 23, 1999 | Harris |
D427291 | June 27, 2000 | Milrud et al. |
D429455 | August 15, 2000 | Burns et al. |
D454049 | March 5, 2002 | LaPlume et al. |
D467488 | December 24, 2002 | Su |
D485795 | January 27, 2004 | Murray |
D492887 | July 13, 2004 | Wu |
- McGraw-Hill Construction Sweets Catalog, 1996., p. 30. (1 page).
- Sager Hardware Catalog, 1937.,pp. 30A, 31A, & 257 (3 pages).
Patent History
Patent number: D511291
Type: Grant
Filed: Apr 14, 2004
Date of Patent: Nov 8, 2005
Assignee: Master Lock Company (Oak Creek, WI)
Inventor: Mark Van Handel (Milwaukee, WI)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Jean E. McCormick
Attorney: Calfee, Halter & Griswold, LLP
Application Number: 29/203,383
Type: Grant
Filed: Apr 14, 2004
Date of Patent: Nov 8, 2005
Assignee: Master Lock Company (Oak Creek, WI)
Inventor: Mark Van Handel (Milwaukee, WI)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Jean E. McCormick
Attorney: Calfee, Halter & Griswold, LLP
Application Number: 29/203,383
Classifications
Current U.S. Class:
D8/310