US PATENT SUBCLASS 968 / 340
.~.~.~ By screwing the crown onto the case [G04B 37/10D]


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

294  DD  CASES (cases with a special shape subclass 390; ornamentation of the case subclass 395; cartridges A45C 11/00-11/38) [G04B 37/00] {13}
327  DD  .~ Hermetic sealing of openings, joints, passages, or slits (covers or protecting devices which can be directly removed, or by sliding or turning subclass 300; hermetic sealing of watch or crystal with special pieces subclass 373; hermetically-sealed electrical switches H01H 23/06) [G04B 37/08] {6}
339  DD  .~.~ Of winding stems (construction of winding crowns subclass 24; in combination with hermetic sealing subclass 328) [G04B 37/10] {2}
340.~.~.~ By screwing the crown onto the case [G04B 37/10D]