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Official data from INPI

PROCESSO DE CONTROLE DE CONJUNTO DE PRIMEIRO E SEGUNDO MOTORES DE CORRENTE CONTÍNUA E APARELHO PARA CONTROLE DE CONJUNTO DE PRIMEIRO E SEGUNDO MOTORES DE CORRENTE CONTÍNUA

Em AnáliseInvention Patent

Application data

Number

PI8605477

Type

Invention Patent

Filing

11/05/1986

Publication

08/11/1987

Progress at the INPI

  1. Filing11/05/86
  2. Publication08/11/87
  3. Examination01/10/89
  4. Allowance07/21/92
  5. Grant05/25/93
  6. Terminated10/03/95

The patent was granted on 05/25/1993 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: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Vall Reefs Exploration And Mining Company Limited

ZA

Inventors

K. K. (pessoa física)

ZA

L. H. (pessoa física)

ZA

Technical data

IPC Classification

Priority claims

ZA

85/8484 · 11/05/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/10/1989

RPI 951

Publicação do pedido de patente

#3.1

08/11/1987

RPI 877

Pedido de patente depositado

#2.1

04/14/1987

RPI 860

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

12/29/1992

RPI 1152

Deferimento

#9.1

07/21/1992

RPI 1129

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