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Official data from INPI

SISTEMA DE LIGAÇÕES.

ConcedidaInvention Patent

Application data

Number

PI8205663

Type

Invention Patent

Filing

09/28/1982

Publication

08/30/1983

Progress at the INPI

  1. Filing09/28/82
  2. Publication08/30/83
  3. Examination11/08/83
  4. Allowance09/25/84
  5. Grant04/30/85
  6. Terminated10/16/90

The patent was granted on 04/30/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BBC Brown Boveri & Company Limited

CH

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Inventors

K. G. (pessoa física)

Technical data

IPC Classification

Priority claims

CH

6295/81-0 · 09/30/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

01/29/1985

RPI 745

Deferimento

#9.1

09/25/1984

RPI 727

Solicitação de exame técnico

#4.1

11/08/1983

RPI 681

Publicação do pedido de patente

#3.1

08/30/1983

RPI 671

Pedido de patente depositado

#2.1

11/16/1982

RPI 630

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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