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Official data from INPI

MOTOR DE COMBUSTÃO INTERNA, PROCESSO DE COMBUSTÃO DE COMBUSTÍVEIS À BASE DE HIDROCARBONETOS E VÁLVULA

Arquivada/ExtintaInvention PatentPCT · US1989003112

Application data

Number

PI8907672

Type

Invention Patent

Filing

07/21/1989

Publication

08/13/1991

PCT

US1989003112

Progress at the INPI

  1. Filing07/21/89
  2. Publication08/13/91
  3. Examination06/15/93
  4. Allowance03/22/94
  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.

Talk to a specialist

Latest action published by the INPI: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alto Automotive, Inc

US

Inventors

T. V. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/07/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

12/27/1994

RPI 1256

Notificação para pagamento de retribuição

#13.1

08/02/1994

RPI 1235

Deferimento

#9.1

03/22/1994

RPI 1216

Solicitação de exame técnico

#4.1

06/15/1993

RPI 1176

Notificação de entrada na fase nacional - PCT

#1.3

08/13/1991

RPI 1080

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