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Patent
   D461240
Priority
Feb 28 2001
Filed
Feb 28 2001
Issued
Aug 06 2002
Expiry
Aug 06 2016
Inventors
Dort, Lesl…
Assg.orig
Leslie, Do…
Assg.curr
DORT, LESL…
Entity
unknown
Referenced by
9
References
19
Maint.:
n/a
The ornamental design for a tongue retention device, as shown and described.

FIG. 1 is a top view thereof;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side elevational thereof, the right side elevational view being identical thereto; and,

FIG. 5 is a back perspective view thereof.
INVENTORS:

Dort, Leslie

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D720448, Aug 24 2011 Combined tongue condom and vaginal cover
D890930, Nov 21 2017 Oral appliance
D899601, Jan 25 2019 Oral appliance
D903123, May 25 2018 Oral appliance
D904620, May 25 2018 Oral appliance
D909586, May 25 2018 Oral appliance
D938044, May 25 2018 Oral appliance
ER1332,
ER5813,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1499889,
3809094,
4169473, Mar 03 1978 Anti-snoring and anti-bruxism device
4196724, Jan 31 1978 Tongue locking device
4198967, Jan 13 1978 Tongue holder
4304277, Aug 24 1978 Reinforced head and neck element for a stringed instrument and process of manufacture
4593696, Jan 17 1985 Auditory stimulation using CW and pulsed signals
4676240, Sep 09 1985 Tongue locking device to minimize effects of sleep apnea and to reduce snoring
5373859, Apr 19 1993 Tongue positioning device
5390681, Oct 29 1993 Prophylactic device for oral sex
5649540, Jan 12 1994 SNOREX, INC Tongue positioning device for medical procedures
5664946, Feb 20 1993 THE UNIVERSITY OF BIRMINGHAM Wedge
5682903, Nov 16 1992 DISTAR, INCORPORATED Apparatus and method for the reduction of snoring
5921240, Feb 19 1997 Snore and teeth grinding prevention device
6076526, May 26 1999 Mouth breathing preventer
6244866, Dec 29 1999 RGI DENTAL PRODUCTS CORPORATION Tongue suppressing bite block
6263877, Nov 13 1995 Snore prevention apparatus
D302036, Jun 23 1986 Nocturnal airway patency appliance for preventing occlusion of the oral airway of sleep apnea patients
D329901, May 13 1991 CHEK-MED SYSTEMS, INC Pediatric endoscopic bite block
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 28 2001Leslie, Dort(assignment on the face of the patent)
May 07 2001DORT, LESLIEUNIVERSITY TECHNOLOGY INTERNATIONAL, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0118180065 pdf
Apr 29 2002UNIVERSITY TECHNOLOGY INTERNATIONAL, INC DORT, LESLIEASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0128880958 pdf
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