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Official data from INPI

DISPOSITIVO REDUTOR DE CALIBRE PARA CANHÕES E SEMELHANTES.

Em AnáliseInvention Patent

Application data

Number

PI8306092

Type

Invention Patent

Filing

11/07/1983

Publication

06/11/1985

Progress at the INPI

  1. Filing11/07/83
  2. Publication06/11/85
  3. Examination10/22/85
  4. Allowance09/02/86
  5. Grant06/02/87
  6. In force11/07/03

The patent was granted on 06/02/1987 and is in force until 11/07/2003. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:11/07/2003

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Latest action published by the INPI: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. R. (pessoa física)

Inventors

R. [. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/10/1989

RPI 990

201

09/19/1989

RPI 987

Pedido de licença voluntária

#17.1

07/19/1988

RPI 926

Concessão da patente

#16.1

06/02/1987

RPI 867

Notificação para pagamento de retribuição

#13.1

12/23/1986

RPI 844

Deferimento

#9.1

09/02/1986

RPI 828

Solicitação de exame técnico

#4.1

10/22/1985

RPI 783

Publicação do pedido de patente

#3.1

06/11/1985

RPI 764

Pedido de patente depositado

#2.1

01/17/1984

RPI 691

22.2

01/16/1990

RPI 1002

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