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Official data from INPI

TRANSFORMADOR PARA INSTRUMENTO, QUE TEM UMA PLURALIDADE DE RAZÕES DE TRANSFORMAÇÃO

PublicadaInvention Patent
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Application data

Number

PI8702313

Type

Invention Patent

Filing

05/06/1987

Publication

02/17/1988
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Progress at the INPI

  1. Filing05/06/87
  2. Publication02/17/88
  3. Abandoned10/09/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

D. M. (pessoa física)

US

W. W. (pessoa física)

US

Technical data

IPC Classification

H01F 27/02H01F 30/16H01F 38/22H01H 71/12

Priority claims

US

860,771 · 05/07/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/17/1988

RPI 904

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: H01F 40/10; H01H 71/00.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

07/13/1993

RPI 1180

Republicação - classificação IPC

#15.11

06/01/1993

RPI 1174

Exigência - art. 36 da LPI

#6.1

02/09/1993

RPI 1158

Solicitação de exame técnico

#4.1

10/09/1990

RPI 1036

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