Thread removal device
Description
The broken lines in the drawing views represent an environmental subject matter and form no part of the claimed design.
Claims
The ornamental design for a thread removal device, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
D199564 | November 1964 | Koss |
D210266 | February 1968 | Dunne |
D225701 | January 1973 | Ament |
D229877 | January 1974 | Ament |
D253974 | January 15, 1980 | Nalbandian |
D307820 | May 15, 1990 | Ullom et al. |
D327573 | July 7, 1992 | Spencer |
D351059 | October 4, 1994 | Kahlcke |
D418672 | January 11, 2000 | Mobbs et al. |
- Photograph of Combicut at http://asatsuru.com/catalog/images/Hoechstmass/combicut—2—tips.jpg.
Patent History
Patent number: D615290
Type: Grant
Filed: Sep 22, 2009
Date of Patent: May 11, 2010
Inventor: Lorri L. Heffner (Houston, TX)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Anhdao Doan
Attorney: Donald J. Ersler
Application Number: 29/343,972
Type: Grant
Filed: Sep 22, 2009
Date of Patent: May 11, 2010
Inventor: Lorri L. Heffner (Houston, TX)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Anhdao Doan
Attorney: Donald J. Ersler
Application Number: 29/343,972
Classifications
Current U.S. Class:
D3/18