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Official data from INPI

SISTEMA DE CONTROLE PARA UNIDADE DE MOTOR-GERADOR, PROCESSO DE CONTROLE DE OPERAÇÃO DE UNIDADE DE MOTOR-GERADOR E SISTEMA DE CONTROLE PARA UNIDADE DE COMBINAÇÃO DE MOTOR-CARGA

Em AnáliseInvention Patent

Application data

Number

PI8307742

Type

Invention Patent

Filing

12/08/1983

Publication

07/02/1985

Progress at the INPI

  1. Filing12/08/83
  2. Publication07/02/85
  3. Examination06/16/87
  4. Allowance09/18/90
  5. Grant05/28/91
  6. Terminated04/30/96

The patent was granted on 05/28/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

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Inventors

D. K. (pessoa física)

US

M. M. (pessoa física)

US

W. E. (pessoa física)

Technical data

IPC Classification

Priority claims

US

520.372 · 08/04/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

04/12/1988

RPI 912

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Notificação de entrada na fase nacional - PCT

#1.3

07/02/1985

RPI 767

Anuidade - prazo legal encerrado

#18.2

04/30/1996

RPI 1326

Concessão da patente

#16.1

05/28/1991

RPI 1069

Notificação para pagamento de retribuição

#13.1

01/02/1991

RPI 1048

Deferimento

#9.1

09/18/1990

RPI 1033

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