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Official data from INPI

TERMOSENSOR FUSÍVEL

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906874

Type

Invention Patent

Filing

12/27/1989

Publication

03/03/1992

Progress at the INPI

  1. Filing12/27/89
  2. Publication03/03/92
  3. Examination08/04/92
  4. Allowance01/18/94
  5. Grant12/27/94
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cerâmica e Velas de Ignição NGK do Brasil Ltda

SP, BR

Cerâmica e Velas de Ignição NGK do Brasil S/A

SP, BR

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Inventors

M. Y. (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 27/12/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

12/27/1994

RPI 1256

Notificação para pagamento de retribuição

#13.1

05/10/1994

RPI 1223

Deferimento

#9.1

01/18/1994

RPI 1207

14.4

04/20/1993

RPI 1168

Solicitação de exame técnico

#4.1

08/04/1992

RPI 1131

Publicação do pedido de patente

#3.1

03/03/1992

RPI 1109

Pedido de patente depositado

#2.1

04/17/1990

RPI 1014

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