End mill
Latest Sumitomo Electric Hardmetal Corp. Patents:
Description
The broken lines are included for the purpose of illustrating non-claimed subject matter and form no part of the claimed design.
Claims
The ornamental design for an end mill, as shown and described.
Referenced Cited
U.S. Patent Documents
3696484 | October 1972 | Spriggs |
4132493 | January 2, 1979 | Hosoi |
4280774 | July 28, 1981 | Hayama |
D307020 | April 3, 1990 | Lyng et al. |
D309317 | July 17, 1990 | Tsujimura et al. |
5376092 | December 27, 1994 | Hein et al. |
5598751 | February 4, 1997 | Ochayon et al. |
6652201 | November 25, 2003 | Kunimori et al. |
D492331 | June 29, 2004 | Matti |
20020037199 | March 28, 2002 | Satran et al. |
Patent History
Patent number: D555683
Type: Grant
Filed: May 17, 2007
Date of Patent: Nov 20, 2007
Assignee: Sumitomo Electric Hardmetal Corp. (Hyogo)
Inventors: Naoki Sakata (Hyogo), Kazufumi Yamanaka (Hyogo), Keiji Kinoshita (Hyogo)
Primary Examiner: Gary D. Watson
Assistant Examiner: Patricia Palasik
Attorney: McDermott Will & Emery LLP
Application Number: 29/274,702
Type: Grant
Filed: May 17, 2007
Date of Patent: Nov 20, 2007
Assignee: Sumitomo Electric Hardmetal Corp. (Hyogo)
Inventors: Naoki Sakata (Hyogo), Kazufumi Yamanaka (Hyogo), Keiji Kinoshita (Hyogo)
Primary Examiner: Gary D. Watson
Assistant Examiner: Patricia Palasik
Attorney: McDermott Will & Emery LLP
Application Number: 29/274,702
Classifications
Current U.S. Class:
Cutting Tool, E.g., Drill Bit, Etc. (D15/139)