PTO Wrapper PDF
Dossier Espace Google
Patent
   D244540
Priority
Apr 02 1975
Filed
Apr 02 1975
Issued
May 31 1977
Expiry
May 31 1991
Inventors
Dennesen, …
Assg.orig
Assg.curr
Entity
unknown
Referenced by
2
References
4
Maint.:
n/a
The ornamental design for a dental floss holder, as shown.

FIG. 1 is a plan view of a dental floss holder showing our new design;

FIG. 2 is a side elevation thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a rear elevation thereof; and

FIG. 5 is an isometric view thereof.
INVENTORS:

Dennesen, Joseph C., Chisholm, Colin F.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D298176, Mar 22 1985 Dental floss holder
D352801, Jun 17 1993 Disposable dental flosser
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2217917,
3376876,
221149,
227766,
ASSIGNMENT RECORDS    Assignment records on the USPTO
Executed onAssignorAssigneeConveyanceFrameReelDoc
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule