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The original patent contains no such notice, so its contents are in the public domain.  

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 PD for another reason, like beeing uneligible for copyright.

'''Note''' This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless PD for another reason, like being uneligible for copyright.

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