Cap of pen
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- REVERSIBLY THERMOCHROMIC COMPOSITION AND REVERSIBLY THERMOCHROMIC MICROCAPSULE PIGMENT ENCAPSULATING THE SAME
Description
Claims
The ornamental design for a cap of pen, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D603454
Type: Grant
Filed: Nov 25, 2008
Date of Patent: Nov 3, 2009
Assignee: Kabushiki Kaisha Pilot Corporation (Tokyo)
Inventor: Naomi Matsumura (Tokyo)
Primary Examiner: Elizabeth A Albert
Attorney: Sughrue Mion, PLLC
Application Number: 29/328,462
Type: Grant
Filed: Nov 25, 2008
Date of Patent: Nov 3, 2009
Assignee: Kabushiki Kaisha Pilot Corporation (Tokyo)
Inventor: Naomi Matsumura (Tokyo)
Primary Examiner: Elizabeth A Albert
Attorney: Sughrue Mion, PLLC
Application Number: 29/328,462
Classifications
Current U.S. Class:
Top Or Cover For Marking Instrument (D19/57)