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Official data from INPI

CIRCUITO DE ACIONAMENTO PARA OPERAÇÃO DE INJETORES DE COMBUSTÍVEL

Arquivada/ExtintaInvention PatentPCT · US1989000713

Application data

Number

PI8907114

Type

Invention Patent

Filing

02/23/1989

Publication

02/05/1991

PCT

US1989000713

Progress at the INPI

  1. Filing02/23/89
  2. Publication02/05/91
  3. Examination09/29/92
  4. Allowance12/06/94
  5. Grant07/25/95
  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

Caterpillar, Inc.

US

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Inventors

B. H. (pessoa física)

US

C. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

260,241 · 10/20/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/02/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

04/11/1995

RPI 1271

Deferimento

#9.1

12/06/1994

RPI 1253

Solicitação de exame técnico

#4.1

09/29/1992

RPI 1139

Notificação de entrada na fase nacional - PCT

#1.3

02/05/1991

RPI 1053

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