Emergency power supply
United States Patent D821313

Yang, Zhaolin (Zhejiang Province, CN)
Zhou, Jianrong (Zhejiang Province, CN)
Wang, Jun (Zhejiang Province, CN)
Wang, Shilin (Zhejiang Province, CN)
Pan, Weijun (Zhejiang Province, CN)
Application Number:
Publication Date:
Filing Date:
Ningbo Gude Electronic Technology Co., Ltd (Zhejiang Province, CN)
Primary Class:
International Classes:
(IPC1-7): 1303
Field of Search:
D13/101, D13/102, D13/103, D13/104, D13/105, D13/106, D13/107, D13/108, D13/109, D13/110, D13/118, D13/119, D13/184, D13/199, D14/432, D14/433, D14/435, D14/435.1, D14/436, D14/437, D14/438
View Patent Images:
US Patent References:
D806027Power inverterDecember, 2017CeravaloD13/110
D753059Energy storage and power supply deviceApril, 2016KrantzD13/110
D742822Power bankNovember, 2015JuD13/103
D725031Battery backpackMarch, 2015TiniusD13/103
D705729Power inverterMay, 2014InskeepD13/110
D701490Portable power supplyMarch, 2014InskeepD13/110
D681550BatteryMay, 2013CorbinD13/103

Primary Examiner:
Bui, Daniel
Attorney, Agent or Firm:
Nama, Prakash
Global IP Services, PLLC

1. The ornamental design for an emergency power supply, as shown.


FIG. 1 is a front elevational view of an emergency power supply showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is another perspective view thereof.