US PATENT SUBCLASS 968 / 414
TIMEPIECES USING THE POSITION OF THE SUN, MOON, OR STARS (devices for fixing the place and time by astronomical observations G01C 21/00) [G04B 49/00]

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


968 /   HD   HOROLOGY

414TIMEPIECES USING THE POSITION OF THE SUN, MOON, OR STARS (devices for fixing the place and time by astronomical observations G01C 21/00) [G04B 49/00] {1}
415  DD  .~> Sundials (normal dials subclass 147) [G04B 49/02] {1}