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Official data from INPI

MECANISMO DE DIREÇÃO DE VEÍCULO

Arquivada/ExtintaInvention PatentPCT · US1989003431

Application data

Number

PI8907892

Type

Invention Patent

Filing

08/11/1989

Publication

01/28/1992

PCT

US1989003431

Progress at the INPI

  1. Filing08/11/89
  2. Publication01/28/92
  3. Examination03/16/93
  4. Allowance07/19/94
  5. Grant04/25/95
  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

E. C. (pessoa física)

US

W. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

7/353,302 · 05/16/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/08/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

11/15/1994

RPI 1250

Deferimento

#9.1

07/19/1994

RPI 1233

Exigência - art. 36 da LPI

#6.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

03/16/1993

RPI 1163

Notificação de entrada na fase nacional - PCT

#1.3

01/28/1992

RPI 1104

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