Granted Patent
Utility
Small
US 6,443,648
· Confirmation No. 1664
BALLPOINT PEN WITH A BALL BEARING OF SHAPE MEMORY ALLOY
Inventor:
Chung Ping Chao
Patented Case
View Patent ↗
Inventors
Chung Ping Chao
Taipei, TAIWAN
Attorneys & Agents of Record
Classification
USPC
401/209
B43K1/082
B43K7/10
Prosecution
- Examiner
- WALCZAK, DAVID J
- Art Unit
- 3751
- Customer No.
- 2292
- Docket No.
- 0941-0335P-SP
- Confirmation No.
- 1664
Patent Term Adjustment
-106days
No related applications found.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2004-09-20
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Quick Facts
- Patent No.
- US 6,443,648
- App. No.
- 09/969,811
- Filed
- 2001-10-04
- Granted
- 2002-09-03
- Examiner
- WALCZAK, DAVID J
- Art Unit
- 3751
- PTA
- -106 days
External Links