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Official data from INPI

APERFEIÇOAMENTO INTRODUZIDO EM LÂMINAS DE GRELHAS DE MOINHOS

Em AnáliseInvention Patent

Application data

Number

PI8705210

Type

Invention Patent

Filing

09/22/1987

Publication

04/12/1988

Progress at the INPI

  1. Filing09/22/87
  2. Publication04/12/88
  3. Examination07/05/88
  4. Allowance03/13/90
  5. Grant11/27/90
  6. Terminated09/02/97

The patent was granted on 11/27/1990 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: 07/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imetec Indústria Metalúrgica Técnica Ltda

PR, BR

Inventors

J. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/05/1988

RPI 924

Publicação antecipada

#3.2

04/12/1988

RPI 912

Pedido de patente depositado

#2.1

01/05/1988

RPI 898

Anuidade - prazo legal encerrado

#18.2

09/02/1997

RPI 1396

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

07/24/1990

RPI 1025

Deferimento

#9.1

03/13/1990

RPI 1009

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