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Official data from INPI

MÉTODO PARA PREVER E INDICAR QUANDO UMA CARGA SUBSEQUENTE EXCEDER UMA PERCENTAGEM PRÉ-SELECIONADA DA CAPACIDADE DE CARGA ÚTIL NOMINAL DE UM VEÍCULO

Arquivada/ExtintaInvention PatentPCT · US1987002648

Application data

Number

PI8707831

Type

Invention Patent

Filing

10/15/1987

Publication

10/31/1989

PCT

US1987002648

Progress at the INPI

  1. Filing10/15/87
  2. Publication10/31/89
  3. Examination04/02/91
  4. Allowance02/25/92
  5. Grant11/24/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

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Inventors

G. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

080,927 · 08/03/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/31/1989

RPI 993

Carta-patente expirada

#21.1

Patente extinta em 15/10/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

07/07/1992

RPI 1127

Deferimento

#9.1

02/25/1992

RPI 1108

Solicitação de exame técnico

#4.1

04/02/1991

RPI 1061

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