Chalk
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Description
Claims
The ornamental design for chalk, as shown and described.
Referenced Cited
U.S. Patent Documents
1607894 | November 1926 | Johnson |
2045431 | June 1936 | Woessner |
D166253 | March 1952 | Gazda |
2627227 | February 1953 | Claggett et al. |
3219015 | November 1965 | Ruden |
3249092 | May 1966 | Moojen |
4755074 | July 5, 1988 | Roberts |
5281039 | January 25, 1994 | Hsiung et al. |
D422748 | April 11, 2000 | Lang |
6276859 | August 21, 2001 | Hsu |
6286218 | September 11, 2001 | Luttgens |
D587310 | February 24, 2009 | Paslawski |
Patent History
Patent number: D601192
Type: Grant
Filed: Jun 30, 2008
Date of Patent: Sep 29, 2009
Assignee: (Yongkang, Taiwan County)
Inventor: Ching-Wen Chen (Tainan)
Primary Examiner: Elizabeth A Albert
Assistant Examiner: Karen E Eldridge Powers
Attorney: Lackenbach Siegel, LLP
Application Number: 29/320,579
Type: Grant
Filed: Jun 30, 2008
Date of Patent: Sep 29, 2009
Assignee: (Yongkang, Taiwan County)
Inventor: Ching-Wen Chen (Tainan)
Primary Examiner: Elizabeth A Albert
Assistant Examiner: Karen E Eldridge Powers
Attorney: Lackenbach Siegel, LLP
Application Number: 29/320,579
Classifications
Current U.S. Class:
Marking Instrument (D19/41)