USD306859S - Add-on module for a homogeneous unit telephone set - Google Patents

Add-on module for a homogeneous unit telephone set Download PDF

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Publication number
USD306859S
USD306859S US07/294,133 US29413389F USD306859S US D306859 S USD306859 S US D306859S US 29413389 F US29413389 F US 29413389F US D306859 S USD306859 S US D306859S
Authority
US
United States
Prior art keywords
add
module
telephone set
homogeneous unit
unit telephone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US07/294,133
Inventor
Edmond J. Helstab
Michael Brown
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nortel Networks Ltd
Original Assignee
Northern Telecom Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to US07/294,133 priority Critical patent/USD306859S/en
Assigned to NORTHERN TELECOM LIMITED reassignment NORTHERN TELECOM LIMITED ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: BELL-NORTHERN RESEARCH LTD.
Assigned to BELL-NORTHERN RESEARCH LTD. reassignment BELL-NORTHERN RESEARCH LTD. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: BROWN, MICHAEL, HELSTAB, EDMOND J.
Application granted granted Critical
Publication of USD306859S publication Critical patent/USD306859S/en
Assigned to NORTEL NETWORKS CORPORATION reassignment NORTEL NETWORKS CORPORATION CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: NORTHERN TELECOM LIMITED
Assigned to NORTEL NETWORKS LIMITED reassignment NORTEL NETWORKS LIMITED CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: NORTEL NETWORKS CORPORATION
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

FIG. 1 is a front, top and right side perspective view of an add-on module for a homogeneous unit telephone set showing our new design;
FIG. 2 is a bottom plan view;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a front elevational view thereof; and
FIGS. 6 and 7 are respectively left and right side elevational views thereof.

Claims (1)

  1. The ornamental design for an add-on module for a homogeneous unit telephone set, as shown and described.
US07/294,133 1989-01-06 1989-01-06 Add-on module for a homogeneous unit telephone set Expired - Lifetime USD306859S (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US07/294,133 USD306859S (en) 1989-01-06 1989-01-06 Add-on module for a homogeneous unit telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/294,133 USD306859S (en) 1989-01-06 1989-01-06 Add-on module for a homogeneous unit telephone set

Publications (1)

Publication Number Publication Date
USD306859S true USD306859S (en) 1990-03-27

Family

ID=64315136

Family Applications (1)

Application Number Title Priority Date Filing Date
US07/294,133 Expired - Lifetime USD306859S (en) 1989-01-06 1989-01-06 Add-on module for a homogeneous unit telephone set

Country Status (1)

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US (1) USD306859S (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD387063S (en) * 1995-06-15 1997-12-02 Siemens Rolm Communications Inc. Telephone key expansion unit
USD421264S (en) * 1998-01-23 2000-02-29 Mitel Corporation Telephone set

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
CMC Brochure: Corporate Message Center Equip.: 5 Basic Components.
GTE Supply: Customer Premise Eqt.: Northern Telecom, Unity 20-Button Expansion Module at p. 59.
Teleconnect Guide ©1985: Telecom System, p. 24; TIE/Comm. at p. 25; Items #76, #78; & #79.
Telephony, 9-10-82 Northern Telecom Logic System.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD387063S (en) * 1995-06-15 1997-12-02 Siemens Rolm Communications Inc. Telephone key expansion unit
USD421264S (en) * 1998-01-23 2000-02-29 Mitel Corporation Telephone set

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