Auto darkening filter for a welding helmet
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Description
The evenly spaced broken lines in the drawings illustrate portions of an auto darkening filter for a welding helmet and form no part of the claimed design.
Claims
The ornamental design for an auto darkening filter for a welding helmet, as shown and described.
Referenced Cited
U.S. Patent Documents
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- Amazon, “Welding Lens, 2×4 in, 8, Auto-Darkening”, first available Dec. 28, 2010. (https://www.amazon.com/Miller-Electric-2239806-Welding-Auto-Darkening/dp/B004HF7WOO) (Year: 2010).
- Lincoln Electric, “2×4C Series—Auto Darkening Lenses”, first available May 2018. (https://www.lincolnelectric.com/assets/global/Products/KP3777-1/e14510.pdf) (Year: 2018).
- Lincoln Show, “Lincoln 2×4 Auto Darkening Lens”, first available Mar. 8, 2019. (https://fietlan.blogspot.com/2019/03/lincoln-2x4-auto-darkening-lens.html) (Year: 2019).
- Amazon, “RADNOR 2″×4 ¼″ Fixed Shade 10 Auto-Darkening Welding Lens”, first available May 8, 2020. (https://www.amazon.com/RADNOR-Fixed-Auto-Darkening-Welding-Helmets/dp/B08FXFSXQ8) (Year: 2020).
- Amazon, “2×4 Auto-Darkening Welding Lens Variable shade 5-13”, first available Aug. 27, 2020. (https://www.amazon.com/Auto-Darkening-Welding-Lens-Variable-shade/dp/B08GV36KQH/ (Year: 2020).
- Miller Electric; “Welding Lens, 2×4 in, #8, Auto-Darkening;” https://www.grainger.com/product/34C401?cm_sp=Product_Details-_-Products_Based_on_Your_Search-_-IDPPLARECS&cm_vc=IDPPLARECS; Accessed on Jun. 3, 2019; pp. 1-3.
- Lincoln Electric; “VIKING™ 2×4C Series—Auto Darkening Lens—Fixed Shade 9;” https://www.lincolnelectric.com/en-us/equipment/accessories/Pages/product.aspx?product=KP3777-1(LincolnElectric); Accessed on Sep. 30, 2019; pp. 1-3.
Patent History
Patent number: D932107
Type: Grant
Filed: Oct 1, 2019
Date of Patent: Sep 28, 2021
Assignee: LINCOLN GLOBAL, INC. (Santa Fe Springs, CA)
Inventor: Chase P. Rutti (Cleveland, OH)
Primary Examiner: April Rivas
Assistant Examiner: Justin A Johnson
Application Number: 29/707,797
Type: Grant
Filed: Oct 1, 2019
Date of Patent: Sep 28, 2021
Assignee: LINCOLN GLOBAL, INC. (Santa Fe Springs, CA)
Inventor: Chase P. Rutti (Cleveland, OH)
Primary Examiner: April Rivas
Assistant Examiner: Justin A Johnson
Application Number: 29/707,797
Classifications
Current U.S. Class:
Including Transparent Eye Shield (e.g., Welder's Mask, Glare Shield) (D29/110)