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Official data from INPI

MU7401849

Arquivada/ExtintaUtility Model
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Application data

Number

MU7401849

Type

Utility Model

Filing

10/20/1994

Publication

11/12/1996
View on INPI

Progress at the INPI

  1. Filing10/20/94
  2. Publication11/12/96
  3. Examination
  4. Allowance04/11/00
  5. Grant08/22/00
  6. Expired07/16/13

The letters patent expired on 07/16/2013: 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: 07/16/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cerâmica e Velas de Ignição NGK do Brasil Ltda

SP, BR

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Inventors

M. K. (pessoa física)

BR

Technical data

IPC Classification

F02P 11/00H01T 13/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/10/2009

07/16/2013

RPI 2219

Concessão da patente

#16.1

08/22/2000

RPI 1546

Deferimento

#9.1

04/11/2000

RPI 1527

Republicação - classificação IPC

#15.11

Alterada a Classificação F02P 11/00 para Int. Cl.6 F02P 11/00 - HOIT 13/04

08/31/1999

RPI 1495

Exigência - art. 36 da LPI

#6.1

08/31/1999

RPI 1495

Publicação do pedido de patente

#3.1

11/12/1996

RPI 1354

Pedido de patente depositado

#2.1

12/20/1994

RPI 1255

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