U.S. patent number D820,921 [Application Number D/589,659] was granted by the patent office on 2018-06-19 for front sight and rear sight for toy guns. This patent grant is currently assigned to I CHIH SHIVAN ENTERPRISE CO., LTD.. The grantee listed for this patent is I CHIH SHIVAN ENTERPRISE CO., LTD.. Invention is credited to Chen Tang Chu.
United States Patent | D820,921 |
Chu | June 19, 2018 |
Inventors: | Chu; Chen Tang (Taichung, TW) | ||||||||||
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Applicant: |
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Assignee: | I CHIH SHIVAN ENTERPRISE CO.,
LTD. (Taichung, TW) |
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Appl. No.: | D/589,659 | ||||||||||
Filed: | January 4, 2017 |
Current U.S. Class: | D21/573; D22/109 |
Current International Class: | 2101 |
Field of Search: | ;D22/100,101,102,103,104,105,106,107,108,109,110,111 ;D21/567,570,571,573,574,575 |
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https://www.amazon.com/Ozark-Armament-Picatinny-Flat-top-Co-Witness/dp/B01- AISP1KW--Retrieved on Feb. 23, 2018. cited by examiner . https://www.amazon.com/Tactical-Folding-Front-Backup-Sights/dp/B00NQND820-- -Retrieved on Feb. 23, 2018. cited by examiner . https://www.amazon.com/Trinity-Force-UL-BUS-Ultralight-Sights/dp/B01HLOGVV- E--Retrieved on Feb. 23, 2018. cited by examiner . http://www.redwolfairsoft.conn/redwolf/airsoft/Accessories_Scopes_and_Sigh- ts_AEG_IMI_Defense_AFS_Aluminum_Flip_Up_Sight_Set_BK.htm--Retrieved on Feb. 23, 2018. cited by examiner. |
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