Extension ladder
Yin October 3, 2
U.S. patent number D799,063 [Application Number D/565,450] was granted by the patent office on 2017-10-03 for extension ladder. This patent grant is currently assigned to EASYTEC CORPORATION. The grantee listed for this patent is Easytec Corporation. Invention is credited to Yelin Yin.
| United States Patent | D799,063 |
| Yin | October 3, 2017 |
Extension ladder
Claims
CLAIM The ornamental design for an extension ladder, as shown and described.
| Inventors: | Yin; Yelin (Dongguan, CN) | ||||||||||
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| Applicant: |
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| Assignee: | EASYTEC CORPORATION (Dongguan,
CN) |
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| Appl. No.: | D/565,450 | ||||||||||
| Filed: | May 20, 2016 |
| Current U.S. Class: | D25/64 |
| Current International Class: | 2504 |
| Field of Search: | ;D25/62-69 ;182/207,21,93,195,69.4,104,156,180.1 ;248/210,188.5 |
References Cited [Referenced By]
U.S. Patent Documents
| D365402 | December 1995 | Jones |
| 5738186 | April 1998 | Jones |
| D677799 | March 2013 | Goransson |
| D692163 | October 2013 | Goransson |
| D777351 | January 2017 | Holmberg |
| 2004/0195043 | October 2004 | Johansson |
| 2010/0270106 | October 2010 | Chen |
Assistant Examiner: Colan; Gino
Attorney, Agent or Firm: Chow; Ming Sinorica, LLC
Description
FIG. 1 is a perspective view of an extension ladder showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is left side elevation view thereof;
FIG. 5 is right side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
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