USD272446S - Digital transfer switch with diagnostic display - Google Patents

Digital transfer switch with diagnostic display Download PDF

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Publication number
USD272446S
USD272446S US06/271,816 US27181681F USD272446S US D272446 S USD272446 S US D272446S US 27181681 F US27181681 F US 27181681F US D272446 S USD272446 S US D272446S
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US
United States
Prior art keywords
transfer switch
diagnostic display
digital transfer
digital
diagnostic
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
US06/271,816
Inventor
Michael J. Dellecave
Jack L. Klosterman, Sr.
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US06/271,816 priority Critical patent/USD272446S/en
Application granted granted Critical
Publication of USD272446S publication Critical patent/USD272446S/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

FIG. 1 is a front perspective view of a digital transfer switch with diagnostic display showing my new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a side elevational view thereof, the opposite side being a mirror image;
FIG. 4 is a top plan view thereof.

Claims (1)

  1. The ornamental design for a digital transfer switch with diagnostic display, as shown and described.
US06/271,816 1981-06-08 1981-06-08 Digital transfer switch with diagnostic display Expired - Lifetime USD272446S (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US06/271,816 USD272446S (en) 1981-06-08 1981-06-08 Digital transfer switch with diagnostic display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/271,816 USD272446S (en) 1981-06-08 1981-06-08 Digital transfer switch with diagnostic display

Publications (1)

Publication Number Publication Date
USD272446S true USD272446S (en) 1984-01-31

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ID=69902278

Family Applications (1)

Application Number Title Priority Date Filing Date
US06/271,816 Expired - Lifetime USD272446S (en) 1981-06-08 1981-06-08 Digital transfer switch with diagnostic display

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD953274S1 (en) * 2018-06-28 2022-05-31 Omron Corporation Signal transfer device
USD991890S1 (en) * 2021-07-20 2023-07-11 Meljac Switch plate
USD995451S1 (en) * 2021-07-20 2023-08-15 Meljac Switch plate
USD1001748S1 (en) * 2021-07-20 2023-10-17 Meljac Switch plate

Non-Patent Citations (9)

* Cited by examiner, † Cited by third party
Title
Altair Computer Catalog, ©1977, pp. 5 & 6, Altair 8800b Turnkey Model.
Communications Line Switch Model CL52.
Computer Design, 12-1979, p. 158, Interface Housing.
Computer Design, 9-1979, p. 76, Datamax PRH-28/6 Multiplexer.
Computer Room Accessories, p. 29, ABC Box Switches.
Digital Transfer Switch Series 5712 & 5722.
Harbor Electronics AB Transfer Switch.
Polymorphic Systems System 8810 Specification, 1979 Disk System Housing.
T-Switch Control.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD953274S1 (en) * 2018-06-28 2022-05-31 Omron Corporation Signal transfer device
USD991890S1 (en) * 2021-07-20 2023-07-11 Meljac Switch plate
USD995451S1 (en) * 2021-07-20 2023-08-15 Meljac Switch plate
USD1001748S1 (en) * 2021-07-20 2023-10-17 Meljac Switch plate

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