Patent
   D335539
Priority
Jul 31 1990
Filed
Jan 23 1991
Issued
May 11 1993
Expiry
May 11 2007
Assg.orig
Entity
unknown
3
6
n/a
The ornamental design for a casting machine for dental prostheses, as shown and described.

FIG. 1 is a front elevational view of a casting machine for dental prostheses showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is an opposite side elevational view thereof;

FIG. 7 is a top, opposite side isometric view thereof; and,

FIG. 8 is a top, side isometric view thereof.

Watanabe, Kazuhiro, Takahashi, Manabu, Shimizu, Toshio, Hakamatsuka, Yasuharu, Aihara, Mamoru

Patent Priority Assignee Title
D428152, Oct 23 1998 BISCO INC , AN ILLINOIS CORPORATION Base for a dental composite light curing unit
D450386, Aug 02 2000 Curing machine
D555244, Jun 12 2006 Nakanishi Inc. Control unit for dental handpiece
Patent Priority Assignee Title
2509670,
3234604,
4478567, Sep 28 1982 Tekcast Associates, Inc. Front loading centrifugal spin caster
4630666, May 19 1982 Casting device for dental casts
4729780, Sep 30 1985 Kyocera Corporation Centrifugal casting device
4998872, Mar 17 1989 Olympus Optical Co., Ltd. Dental centrifugal casting apparatus
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 23 1991Olympus Optical Company, Ltd.(assignment on the face of the patent)
Jan 23 1991Denken Co., Ltd.(assignment on the face of the patent)
Feb 08 1991TAKAHASHI, MANABUDENKEN CO , LTD , A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0056270294 pdf
Feb 08 1991AIHARA, MAMORUDENKEN CO , LTD , A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0056270294 pdf
Feb 08 1991WATANABE, KAZUHIRODENKEN CO , LTD , A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0056270294 pdf
Feb 08 1991HAKAMATSUKA, YASUHARUDENKEN CO , LTD , A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0056270294 pdf
Feb 08 1991SHIMIZU, TOSHIOOLYMPUS OPTICAL COMPANY, LIMITED, A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0056270294 pdf
Feb 08 1991TAKAHASHI, MANABUOLYMPUS OPTICAL COMPANY, LIMITED, A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0056270294 pdf
Feb 08 1991AIHARA, MAMORUOLYMPUS OPTICAL COMPANY, LIMITED, A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0056270294 pdf
Feb 08 1991WATANABE, KAZUHIROOLYMPUS OPTICAL COMPANY, LIMITED, A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0056270294 pdf
Feb 08 1991HAKAMATSUKA, YASUHARUOLYMPUS OPTICAL COMPANY, LIMITED, A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0056270294 pdf
Feb 08 1991SHIMIZU, TOSHIODENKEN CO , LTD , A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0056270294 pdf
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