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Official data from INPI

DISPOSIÇÃO DE CIRCUITO PARA A SEPARAÇÃO DE PARTES DE SINAIS DE CORRENTE CONTÍNUA E DE PARTES DE SINAIS DE CORRENTE ALTERNADA DE UMA MISTURA DE SINAIS

PublicadaInvention Patent

Application data

Number

PI8703923

Type

Invention Patent

Filing

07/30/1987

Publication

04/05/1988

Progress at the INPI

  1. Filing07/30/87
  2. Publication04/05/88
  3. Abandoned11/20/90
  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.

Talk to a specialist

Latest action published by the INPI: 04/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

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Inventors

D. R. (pessoa física)

DE

H. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P36258725 · 07/31/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/05/1988

RPI 911

Pedido de patente depositado

#2.1

10/20/1987

RPI 887

Arquivamento - Art. 36 §1° da LPI

#11.2

09/26/1995

RPI 1295

6.2

11/01/1994

RPI 1248

Solicitação de exame técnico

#4.1

11/20/1990

RPI 1042

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