(Published at Sep. 19,1978 (that is prior to March 1, 1989 ) as Figure1 of US4,115,698)
原典
Figure 1 of US4,115,698 (US Patent,Published at Sep. 19,1978)[1]
作者
The author of This US Patent is Dr. Godfrey Newbold Hounsfield. Scanned by User:Tom Toyosaki. This Figure is extracted from US Patent and that patent is published before March 1, 1989 . So, this Figure belongs to the public domain.
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}}.
ライセンス
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}}.