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Patent
   D300660
Priority
Aug 25 1986
Filed
Aug 25 1986
Issued
Apr 11 1989
Expiry
Apr 11 2003
Inventors
Harada, Mas
Assg.orig
QUALITONE,…
Assg.curr
SP Industr…
Entity
unknown
Referenced by
10
References
3
Maint.:
n/a
The ornamental design for a single port coupler for resonance splitting in hearing aids, as shown.

FIG. 1 is a side elevational view for a single port coupler for resonance splitting in hearing aids, showing my new design;

FIG. 2 is a rear elevational thereof;

FIG. 3 is a front elevational thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.
INVENTORS:

Harada, Mas

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D350395, Mar 22 1990 Connector coupling for a hearing aid
D395102, Mar 17 1997 Vacuum nozzle for cleaning ceiling fan blades
D667672, Jan 27 2012 Straw with wide end
D973989, Jan 18 2021 UNGER MARKETING INTERNATIONAL, LLC Extendable window cleaning tool
D975279, Jan 12 2022 P&D Gustafson Inventions, LLC Hearing aid insert
D976506, Jan 20 2021 UNGER MARKETING INTERNATIONAL, LLC Pole connection for a window cleaning tool
D981222, Jan 18 2021 UNGER MARKETING INTERNATIONAL, LLC Clamp for an extendable pole
ER2167,
ER5065,
ER606,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3934100, Apr 22 1974 SP Industries Limited Partnership Acoustic coupler for use with auditory equipment
4349083, Apr 13 1981 Acoustic ear mold
D274839, Nov 23 1981 Associated Auditory Instruments, Inc. Hearing aid coupler
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 21 1986HARADA, MASQUALITONE, INC , A CORP OF DEASSIGNMENT OF ASSIGNORS INTEREST 0045950440 pdf
Oct 29 1991SP Industries Limited PartnershipHELLER FINANCIAL, INC A CORP OF DELAWARESECURITY INTEREST SEE DOCUMENT FOR DETAILS 0060220526 pdf
Mar 16 1993NDS TECHNOLOGIES, INC LAB GLASS DIVISION OFASSIGNMENT OF ASSIGNORS INTEREST 0064840823 pdf
Jun 03 1996SP Industries Limited PartnershipStarkey Laboratories, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0084780062 pdf
Jun 04 1996HELLER FINANCIAL, INC SP Industries Limited PartnershipRELEASE0081130400 pdf
Dec 18 1996HELLER FINANCIAL, INC SP Industries Limited PartnershipASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0083920464 pdf
Feb 01 1999Starkey Laboratories, IncLASALLE NATIONAL BANK, AS AGENTSECURITY AGREEMENT0097640475 pdf
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