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Patent
D564658
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Priority
Nov 22 2002
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Filed
Mar 01 2007
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Issued
Mar 18 2008
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Expiry
Mar 18 2022
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Assg.orig
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Entity
unknown
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16
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19
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n/a
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The ornamental design for an apparatus for maintaining a dry field during dental procedures, as shown and described.
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FIG. 1 is a front perspective view of an apparatus showing my new design.
FIG. 2 is a top plan view thereof.
FIG. 3 is a right side elevational view thereof, with the left side elevational view being a mirror image of FIG. 3.
FIG. 4 is front elevational view thereof.
FIG. 5 is a rear elevational view thereof; and,
FIG. 6 is a bottom plan view thereof.
Anderson, Ross William
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Patent |
Priority |
Assignee |
Title |
3049806, |
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3916880, |
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4200089, |
Apr 13 1978 |
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4215984, |
Jan 15 1979 |
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Dental suction device |
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Jun 01 1979 |
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Self stabilizing intra-oral saliva evacuator |
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Dental appliance for use in combination with a saliva ejector |
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Moisture controlling lingual dental mirror |
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Dec 06 2002 |
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20060234187, |
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|
D504721, |
Dec 06 2002 |
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Retractor |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a