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Official data from INPI

ANEL TORCIONAL INTERMEDIÁRIO UTILIZADO EM CONJUNTO DE QUATRO PARTES PARA CONTROLE DE ÓLEO EM MOTORES DE COMBUSTÃO INTERNA

Em AnáliseInvention Patent

Application data

Number

PI8702563

Type

Invention Patent

Filing

05/11/1987

Publication

12/06/1988

Progress at the INPI

  1. Filing05/11/87
  2. Publication12/06/88
  3. Examination04/04/89
  4. Allowance05/07/91
  5. Grant03/31/92
  6. Terminated10/17/95

The patent was granted on 03/31/1992 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cofap - CIA Fabricadora de Peças

SP, BR

See this company's full portfolio

Inventors

J. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/04/1989

RPI 963

Publicação do pedido de patente

#3.1

12/06/1988

RPI 946

Pedido de patente depositado

#2.1

08/04/1987

RPI 876

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

Concessão da patente

#16.1

03/31/1992

RPI 1113

Republicação - classificação IPC

#15.11

11/19/1991

RPI 1094

Notificação para pagamento de retribuição

#13.1

08/20/1991

RPI 1081

Deferimento

#9.1

05/07/1991

RPI 1066

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