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Official data from INPI

INSERÇÃO DE CORTE PARA USINAGEM FORMADORA DE APARAS.

Em AnáliseInvention Patent

Application data

Number

PI8603047

Type

Invention Patent

Filing

06/30/1986

Publication

02/17/1987

Progress at the INPI

  1. Filing06/30/86
  2. Publication02/17/87
  3. Examination10/04/88
  4. Allowance05/15/90
  5. Grant11/27/90
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 10/04/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Santrade Limited

CH

See this company's full portfolio

Inventors

L. M. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8503304-1 · 07/03/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/04/1988

RPI 937

Publicação do pedido de patente

#3.1

02/17/1987

RPI 852

Pedido de patente depositado

#2.1

12/30/1986

RPI 845

Carta-patente expirada

#21.1

Patente extinta em 30/06/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

08/21/1990

RPI 1029

Deferimento

#9.1

05/15/1990

RPI 1018

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