Welding helmet
Latest 3M Innovative Properties Company Patents:
Description
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
Claims
The ornamental design for a welding helmet, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D901782
Type: Grant
Filed: Jul 16, 2020
Date of Patent: Nov 10, 2020
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Linus P. Bastman (Orsa), Emil R. Eriksson (Falun), Johan M. P. Hansson (Borlänge), Erik Oskar Juhlin (Gustavsberg)
Primary Examiner: Robert A Delehanty
Application Number: 29/741,882
Type: Grant
Filed: Jul 16, 2020
Date of Patent: Nov 10, 2020
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Linus P. Bastman (Orsa), Emil R. Eriksson (Falun), Johan M. P. Hansson (Borlänge), Erik Oskar Juhlin (Gustavsberg)
Primary Examiner: Robert A Delehanty
Application Number: 29/741,882
Classifications
Current U.S. Class:
Including Transparent Eye Shield (e.g., Welder's Mask, Glare Shield) (D29/110)