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Official data from INPI

APERFEIÇOAMENTOS EM DISCO DESFIBRADOR MECÂNICO PARA MATERIAL DE ALTA CONSISTÊNCIA

ConcedidaInvention Patent

Application data

Number

PI8404647

Type

Invention Patent

Filing

09/17/1984

Publication

04/22/1986

Progress at the INPI

  1. Filing09/17/84
  2. Publication04/22/86
  3. Examination08/05/86
  4. Allowance09/06/88
  5. Grant09/26/89
  6. Terminated03/03/92

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pilão S/A Máquinas e Equipamentos., empresa brasileira, industrial e comercial

SP, BR

Inventors

M. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

12/27/1988

RPI 949

Deferimento

#9.1

09/06/1988

RPI 933

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

04/22/1986

RPI 809

Pedido de patente depositado

#2.1

11/27/1984

RPI 736

Anuidade - prazo legal encerrado

#18.2

03/03/1992

RPI 1109

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