Bulb filament

- Tala Energy Limited

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Description

FIG. 1 is a front view of a bulb filament showing our new design, with the back view being a mirror image thereof;

FIG. 2 is a side view of the bulb filament shown in FIG. 1, with the other side view being a mirror image;

FIG. 3 is a top view of the bulb filament shown FIG. 1; and,

FIG. 4 is a bottom view of the bulb filament shown in FIG. 1.

The broken lines depicting the glass bulb, base, and portions of the stem show unclaimed subject matter for the design.

Claims

The ornamental design for a bulb filament, as shown and described.

Referenced Cited
U.S. Patent Documents
D443703 June 12, 2001 Sood
D506840 June 28, 2005 Van de Ven
D528674 September 19, 2006 Gonzalez
D538953 March 20, 2007 Mama
D540961 April 17, 2007 Hrubowchak
Other references
  • Design U.S. Appl. No. 29/597,402, filed Mar. 16, 2017; Inventors: Joshua Ward et al.
  • Design U.S. Appl. No. 29/597,403, filed Mar. 16, 2017; Inventors: Joshua Ward et al.
  • Design U.S. Appl. No. 29/597,398, filed Mar. 16, 2017; Inventors: Joshua Ward et al.
  • Design U.S. Appl. No. 29/562,389, filed Apr. 25, 2016; Inventors: Joshua Ward et al.
  • Design U.S. Appl. No. 29/564,627, filed May 13, 2016; Inventors: Joshua Ward et al.
  • Design U.S. Appl. No. 29/567,162, filed Jun. 6, 2016; Inventors: Joshua Ward et al.
  • Design U.S. Appl. No. 29/567,165, filed Jun. 6, 2016; Inventors: Joshua Ward et al.
  • Design U.S. Appl. No. 29/575,508, filed Aug. 25, 2016; Inventors: Joshua Ward et al.
  • Design U.S. Appl. No. 29/570,251, filed Jul. 6, 2016; Inventors: Joshua Ward et al.
  • Design U.S. Appl. No. 29/570,532, filed Jul. 8, 2016; Inventors: Joshua Ward et al.
Patent History
Patent number: D820475
Type: Grant
Filed: Mar 16, 2017
Date of Patent: Jun 12, 2018
Assignee: Tala Energy Limited (London)
Inventors: Joshua Ward (London), Joseph Armitage (London), James Rhodri Pleass (London)
Primary Examiner: Marcus Jackson
Application Number: 29/597,397
Classifications
Current U.S. Class: Electric Light Bulb (34) (D26/2)