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Official data from INPI

CABEÇOTE PORTA-FERRAMENTA PARA BROQUEAR

PublicadaInvention Patent
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Application data

Number

PI8706998

Type

Invention Patent

Filing

12/22/1987

Publication

07/18/1989
View on INPI

Progress at the INPI

  1. Filing12/22/87
  2. Publication07/18/89
  3. Examination08/07/90
  4. Allowance08/27/91
  5. Grant08/25/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Indústria de Máquinas Chinelatto Ltda

SP, BR

Inventors

O. C. (pessoa física)

BR

Technical data

IPC Classification

B23B 41/12

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/18/1989

RPI 978

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Carta-patente expirada

#21.1

Patente extinta em 22/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

08/25/1992

RPI 1134

Notificação para pagamento de retribuição

#13.1

12/24/1991

RPI 1099

Republicação - classificação IPC

#15.11

11/26/1991

RPI 1095

Deferimento

#9.1

08/27/1991

RPI 1082

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

Solicitação de exame não realizada

#4.2

03/20/1990

RPI 1010

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