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Patent
D371606
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Priority
Aug 08 1994
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Filed
Aug 08 1994
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Issued
Jul 09 1996
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Expiry
Jul 09 2010
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Assg.orig
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Entity
unknown
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6
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3
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n/a
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The ornamental design for an ear ventilation tube, as shown.
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FIG. 1 is a top view of an ear ventilation tube, showing my new design, the
bottom view being identical;
FIG. 2 is a front elevational view thereof, the rear elevational view being
identical;
FIG. 3 is a side view thereof; and,
FIG. 4 is a side elevational view taken from the opposite side of FIG. 3.
Doyle, Donald E.
| Patent |
Priority |
Assignee |
Title |
| 10835422, |
Apr 10 2012 |
TUSKER MEDICAL, INC. |
Tympanic membrane pressure equalization tube |
| 6042574, |
Mar 11 1998 |
|
Oval ventilation ear tube |
| 7097661, |
Aug 03 2001 |
Perry Microtube Pty Ltd |
Ventilation tube for a middle ear |
| 9011363, |
Apr 10 2012 |
TUSKER MEDICAL, INC |
Tympanic membrane pressure equalization tube |
| 9907700, |
Apr 10 2012 |
TUSKER MEDICAL, INC |
Tympanic membrane pressure equalization tube |
| D707822, |
Apr 10 2012 |
TUSKER MEDICAL, INC |
Tympanic membrane pressure equalization tube |
| Patent |
Priority |
Assignee |
Title |
| 4775370, |
May 13 1986 |
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Middle ear drum ventilation and drainage technique |
| 239330, |
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| D274753, |
Sep 24 1982 |
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Middle ear ventilation tube |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a