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Official data from INPI

Unidade de comando central de um sistema de comunicação, sobretudo sistemas de comunicação telefônica.

Em AnáliseInvention Patent

Application data

Number

PI8404818

Type

Invention Patent

Filing

09/25/1984

Publication

08/13/1985

Progress at the INPI

  1. Filing09/25/84
  2. Publication08/13/85
  3. Examination09/22/87
  4. Refused09/12/89
  5. Grant
  6. In force

The application was refused on 09/12/1989 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

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Inventors

K. S. (pessoa física)

DE

R. B. (pessoa física)

DE

S. H. (pessoa física)

DE

W. E. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 33 34 792.1 · 09/26/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

09/12/1989

RPI 986

Petição de recurso

#12.2

02/08/1989

RPI 955

Indeferimento

#9.2

11/01/1988

RPI 941

Solicitação de exame técnico

#4.1

09/22/1987

RPI 883

Publicação do pedido de patente

#3.1

08/13/1985

RPI 773

Pedido de patente depositado

#2.1

12/04/1984

RPI 737

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