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Patent
D269267
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Priority
Sep 14 1982
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Filed
Sep 14 1982
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Issued
Jun 07 1983
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Expiry
Jun 07 1997
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Assg.orig
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Entity
unknown
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8
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5
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n/a
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The ornamental design for a telephone amplifier, as shown and described.
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FIG. 1 is a top perspective view of a telephone amplifier showing my new
design;
FIG. 2 is a bottom rear perspective view thereof; and
FIG. 3 is a front perspective view taken at a reduced scale and connected
to a telephone handset.
The broken lines representing the conventional telephone are shown for
illustrative purposes.
Brown, Dwight C.
| Patent |
Priority |
Assignee |
Title |
| D339140, |
Aug 07 1991 |
TELEAN TECHNOLOGY LIMTIED |
Telephone tone dialer |
| D339353, |
Aug 28 1991 |
Nimrod International Sales Co., Inc. |
Phone home dialer |
| D382265, |
Jun 27 1996 |
Polycom, Inc. |
Speakerphone |
| D434747, |
Mar 08 1999 |
Philips Electronics North America Corporation |
Speakerphone module for video conferencing system |
| D444777, |
Mar 08 1999 |
Philips Electronics North America Corporation |
Speakerphone module for video conferencing system |
| D870085, |
Dec 18 2017 |
SHENZHEN FUZHIXING ELECTRONICS CO , LTD |
Signal amplifier for mobile phone |
| D870086, |
Dec 18 2017 |
SHENZHEN FUZHIXING ELECTRONICS CO , LTD |
Signal amplifier for mobile phone |
| D898710, |
Jul 10 2019 |
|
Wireless intercom headset |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a