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Patent
   D943529
Priority
Jul 01 2019
Filed
Jul 01 2019
Issued
Feb 15 2022
Expiry
Feb 15 2037

TERM.DISCL.
Inventors
Carvalho, …
Assg.orig
EFACEC ENE…
Assg.curr
EFACEC ENE…
Entity
unknown
Referenced by
2
References
26
Maint.:
n/a
The ornamental design for a transformer, as shown and described.

1. Transformer

1.1 : Front

1.2 : Back

1.3 : Bottom

1.4 : Left

1.5 : Lower perspective view

1.6 : Perspective

1.7 : Right

1.8 : Top

In the reproductions, the broken lines are for the purpose of illustrating portions of the transformer that forms no part of the claimed design.
INVENTORS:

Carvalho, Carlos Manuel Martins, Mendes, Hélder Fernando Gonçalves, Félix, Luís Miguel Ribeiro, Tavares, Sérgio Manuel Oliveira

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
ER8598,
ER8791,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1535261,
4280063, Oct 04 1978 Tokyo Electric Co., Ltd. Electronic timer device
8278582, Dec 07 2007 ABB Schweiz AG Heat dissipating means for circuit-breaker and circuit-breaker with such a heat dissipating means
9793701, Aug 16 2012 SIEMENS ENERGY GLOBAL GMBH & CO KG Surge arrester
20030006334,
20150109087,
20200251269,
100529,
113062,
149364,
180448,
210130,
D259040, Apr 27 1978 General Electric Company Vaporization cooled transformer or similar article
D290456, Dec 27 1983 Marelco Power Systems, Inc. Transformer
D339323, Apr 18 1988 Marelco Power Systems, Inc. Lighting transformer disconnect
D526273, Dec 13 2004 ABB Schweiz AG Transformer
D595226, Jan 14 2008 TAMURA CORPORATION Transformer for electronic circuit
D638795, Jan 18 2010 GENERAC POWER SYSTEMS, INC Enclosure
D727262, Aug 20 2013 Toshiba Mitsubishi-Electric Industrial Systems Corporation Power converter
D813809, Apr 22 2016 SIEMENS ENERGY GLOBAL GMBH & CO KG Transformer
D821311, Sep 30 2016 SIEMENS ENERGY GLOBAL GMBH & CO KG Protective housing for a transformer
D821312, Sep 30 2016 SIEMENS ENERGY GLOBAL GMBH & CO KG Protective housing for a transformer
D836550, Sep 30 2016 SIEMENS ENERGY GLOBAL GMBH & CO KG Protective housing for a transformer
D865669, Sep 23 2016 SIEMENS ENERGY GLOBAL GMBH & CO KG Transformer
D867988, Mar 17 2017 SIEMENS ENERGY GLOBAL GMBH & CO KG Transformer
D904298, Feb 13 2018 SAI Advanced Power Solutions Transformer device with modified voltage tap arrangement
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 01 2019EFACEC ENERGIA—MAQUINAS E EQUIPAMENTOS ELECTRICOS S.A.(assignment on the face of the patent)
Nov 18 2021MARTINS CARVALHO, CARLOS MANUELEFACEC ENERGIA - MAQUINAS E EQUIPAMENTOS ELECTRICOS S A ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0581540473 pdf
Nov 18 2021GONCALVES MENDES, HELDER FERNANDOEFACEC ENERGIA - MAQUINAS E EQUIPAMENTOS ELECTRICOS S A ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0581540473 pdf
Nov 18 2021RIBEIRO FELIX, LUIS MIGUELEFACEC ENERGIA - MAQUINAS E EQUIPAMENTOS ELECTRICOS S A ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0581540473 pdf
Nov 18 2021OLIVEIRA TAVARES, SERGIO MANUELEFACEC ENERGIA - MAQUINAS E EQUIPAMENTOS ELECTRICOS S A ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0581540473 pdf
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