Butterfly shaped building block
Description
Claims
The ornamental design for a butterfly shaped building block as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
| 7367565 | May 6, 2008 | Chiu |
| 7887060 | February 15, 2011 | Chiu |
| 9238169 | January 19, 2016 | Chiu |
| D753253 | April 5, 2016 | Chiu |
| D808583 | January 23, 2018 | Zietek |
| 20090162143 | June 25, 2009 | Chiu |
| 20200246710 | August 6, 2020 | Chiu |
| 20200306654 | October 1, 2020 | Chiu |
- Omnisafe, announced 2020 [online], [site visited Apr. 12, 2024]. Available on internet, URL: (Year: 2020).
Patent History
Patent number: D1086299
Type: Grant
Filed: Mar 11, 2022
Date of Patent: Jul 29, 2025
Inventor: Yen-Po Chiu (Taipei)
Primary Examiner: George J Ulsh
Assistant Examiner: Julice Seung Eun Oum
Application Number: 29/830,287
Type: Grant
Filed: Mar 11, 2022
Date of Patent: Jul 29, 2025
Inventor: Yen-Po Chiu (Taipei)
Primary Examiner: George J Ulsh
Assistant Examiner: Julice Seung Eun Oum
Application Number: 29/830,287
Classifications
Current U.S. Class:
Balance Type (D21/399)