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Official data from INPI

DISPOSITIVO PARA LIMPEZA E SECAGEM DE ÓLEO DIELÉTRICO DE MÁQUINA DE ELETROEROSÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001211

Type

Invention Patent

Filing

03/14/1990

Publication

10/15/1991

Progress at the INPI

  1. Filing03/14/90
  2. Publication10/15/91
  3. Examination07/27/93
  4. Allowance05/31/94
  5. Grant03/28/95
  6. Expired05/11/10

The letters patent expired on 05/11/2010: 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: 05/11/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Horus Serra Ltda

SP, BR

Inventors

E. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 14/03/2005

05/11/2010

RPI 2053

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

10/04/1994

RPI 1244

Deferimento

#9.1

05/31/1994

RPI 1226

Solicitação de exame técnico

#4.1

07/27/1993

RPI 1182

Publicação do pedido de patente

#3.1

10/15/1991

RPI 1089

Pedido de patente depositado

#2.1

05/22/1990

RPI 1019

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