Light bulb filament

Information

  • Patent Grant
  • D820478
  • Patent Number
    D820,478
  • Date Filed
    Monday, June 5, 2017
    7 years ago
  • Date Issued
    Tuesday, June 12, 2018
    6 years ago
  • US Classifications
    Field of Search
    • US
    • D26 1- 4
    • 313 313000
    • 313 315000
    • 313 316000
    • 313 317000
    • 313 318000
    • 313 493000
    • 315 052000
    • 315 053000
    • 315 056000
    • 315 057000
    • 315 058000
    • CPC
    • H01R5/00
    • H01R13/46
    • H01R13/514
    • H01R31/048
    • H01R31/02
    • H01J5/00
    • H01J15/00
    • H01J5/48
    • H01J5/50
    • H01J19/54
    • F21V5/00
  • International Classifications
    • 2604
    • Term of Grant
      15Years
Abstract
Description


FIG. 1 is a perspective front View of light bulb filament;



FIG. 2 is a front View thereof;



FIG. 3 is a left side View thereof;



FIG. 4 is a rear View thereof;



FIG. 5 is a right side View thereof;



FIG. 6 is a top plan View thereof;



FIG. 7 is a bottom plan View thereof; and,



FIG. 8 is a perspective front View thereof.


Claims
  • The ornamental design for light bulb filament, as shown and described.
US Referenced Citations (5)
Number Name Date Kind
D410554 Guyton Jun 1999 S
D422099 Kracke Mar 2000 S
D549360 An Aug 2007 S
D550864 Hernandez, Jr. Sep 2007 S
D689215 Xue Sep 2013 S