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Official data from INPI

DISPOSITIVO FRAGMENTADOR.

ConcedidaInvention Patent

Application data

Number

PI8305444

Type

Invention Patent

Filing

10/03/1983

Publication

05/07/1985

Progress at the INPI

  1. Filing10/03/83
  2. Publication05/07/85
  3. Examination06/23/87
  4. Allowance04/12/88
  5. Grant01/10/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used 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

Cobrasma S/A

SP, BR

Inventors

M. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/10/1989

RPI 951

Notificação para pagamento de retribuição

#13.1

07/26/1988

RPI 927

Deferimento

#9.1

04/12/1988

RPI 912

Solicitação de exame técnico

#4.1

06/23/1987

RPI 870

Publicação do pedido de patente

#3.1

05/07/1985

RPI 759

Pedido de patente depositado

#2.1

12/13/1983

RPI 686

Carta-patente expirada

#21.1

Patente extinta em 03/10/98

07/01/2008

RPI 1956

18.8

06/19/1990

RPI 1023

Anuidade - prazo legal encerrado

#18.2

05/29/1990

RPI 1020

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