Bulb filament
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Description
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
Other references
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 |
- 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
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)