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Official data from INPI

APERFEICOAMENTO EM MECANISMO DE VEDACAO COM SEDE INTEGRADA PARA REGISTROS

Em AnáliseInvention Patent

Application data

Number

PI8104496

Type

Invention Patent

Filing

07/14/1981

Publication

02/22/1983

Progress at the INPI

  1. Filing07/14/81
  2. Publication02/22/83
  3. Examination11/27/84
  4. Allowance07/09/85
  5. Grant03/25/86
  6. Terminated09/13/94

The patent was granted on 03/25/1986 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: 11/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. G. (pessoa física)

Inventors

L. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

11/04/1986

RPI 837

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Solicitação de exame técnico

#4.1

11/27/1984

RPI 736

Publicação do pedido de patente

#3.1

02/22/1983

RPI 644

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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