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Official data from INPI

MOTOR DE COMBUSTÃO INTERNA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9006172

Type

Invention Patent

Filing

12/05/1990

Publication

09/24/1991

Progress at the INPI

  1. Filing12/05/90
  2. Publication09/24/91
  3. Examination12/14/93
  4. Allowance08/16/94
  5. Grant03/28/95
  6. Expired06/08/10

The letters patent expired on 06/08/2010: 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: 06/08/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. U. (pessoa física)

GB

D. M. (pessoa física)

GB

Inventors

D. M. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8927617.4 · 12/06/1989

GB

9002177.5 · 01/31/1990

GB

9002871.3 · 02/08/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 05/12/2005

06/08/2010

RPI 2057

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

12/13/1994

RPI 1254

Deferimento

#9.1

08/16/1994

RPI 1237

Solicitação de exame técnico

#4.1

12/14/1993

RPI 1202

14.11

06/08/1993

RPI 1175

14.4

04/20/1993

RPI 1168

Publicação do pedido de patente

#3.1

09/24/1991

RPI 1086

Pedido de patente depositado

#2.1

05/21/1991

RPI 1068

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