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Official data from INPI

CHAVE PARA LIGAÇÃO À TERRA.

ConcedidaInvention Patent

Application data

Number

PI8107101

Type

Invention Patent

Filing

11/03/1981

Publication

07/20/1982

Progress at the INPI

  1. Filing11/03/81
  2. Publication07/20/82
  3. Examination09/21/82
  4. Allowance04/24/84
  5. Grant10/30/84
  6. Terminated02/04/92

The patent was granted on 10/30/1984 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: 10/30/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BBC Brown Boveri & Company Limited

CH

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Inventors

F. W. (pessoa física)

O. C. (pessoa física)

S. B. (pessoa física)

Technical data

IPC Classification

Priority claims

CH

8215/80-0 · 11/05/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

08/21/1984

RPI 722

Deferimento

#9.1

04/24/1984

RPI 705

Solicitação de exame técnico

#4.1

09/21/1982

RPI 622

Publicação do pedido de patente

#3.1

07/20/1982

RPI 613

Pedido de patente depositado

#2.1

12/15/1981

RPI 582

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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