English: An illustration of the Standard Sewhandy, the first sewing machine designed to be portable, and the predecessor to the Singer 221.
Date
Source
United States Design Patent #80,185 (Dec. 24, 1928)
Author
United States Patent Office (Inventor: Raymond L. Plumley)
Licensing
Public domainPublic domainfalsefalse
The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted. See 37 CFR 1.71(d), 37 CFR 1.84(s)
The original patent contains no such notice, so its contents are in the public domain.
Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as {{PD-ineligible}}.
Captions
An illustration of the Standard Sewhandy, the first portable sewing machine