Balance for teaching
Description
Claims
The ornamental design for a balance for teaching, as shown and described.
Referenced Cited
U.S. Patent Documents
| 326975 | September 1885 | Guild |
| 541434 | June 1895 | Fenner |
| 664899 | January 1901 | Schence |
| 676706 | June 1901 | Tranton |
| D118737 | January 1940 | Galter |
| D142536 | October 1945 | Thiel |
| D155162 | September 1949 | Jensen |
| D236961 | September 1975 | Gleason |
| D392200 | March 17, 1998 | Gibson et al. |
| D398549 | September 22, 1998 | Kung et al. |
| 20020139590 | October 3, 2002 | Pivinski |
Patent History
Patent number: D611375
Type: Grant
Filed: Sep 11, 2009
Date of Patent: Mar 9, 2010
Assignee: Youth Toy Enterprise Co., Ltd. (Taipei County)
Inventor: Wen-Yuan Lin (Taipei County)
Primary Examiner: Antoine D Davis
Attorney: WPAT, P.C.
Application Number: 29/343,400
Type: Grant
Filed: Sep 11, 2009
Date of Patent: Mar 9, 2010
Assignee: Youth Toy Enterprise Co., Ltd. (Taipei County)
Inventor: Wen-Yuan Lin (Taipei County)
Primary Examiner: Antoine D Davis
Attorney: WPAT, P.C.
Application Number: 29/343,400
Classifications
Current U.S. Class:
Beam Or Balance Type (D10/90)