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Official data from INPI

SISTEMA DE CONTROLE DE DESLIZAMENTO DE RODA COM SEGURANÇA CONTRA FALHA E MÉTODO DE OPERAÇÃO DO MESMO.

Em AnáliseInvention Patent

Application data

Number

PI8009061

Type

Invention Patent

Filing

01/05/1982

Publication

04/13/1982

Progress at the INPI

  1. Filing01/05/82
  2. Publication04/13/82
  3. Examination10/18/83
  4. Allowance02/12/85
  5. Grant10/01/85
  6. Terminated07/12/88

The patent was granted on 10/01/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar Tractor Co.

US

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Inventors

M. R. (pessoa física)

P. W. (pessoa física)

Technical data

IPC Classification

Priority claims

US

80/00539 · 05/07/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

10/01/1985

RPI 780

Notificação para pagamento de retribuição

#13.1

05/28/1985

RPI 762

Deferimento

#9.1

02/12/1985

RPI 747

Solicitação de exame técnico

#4.1

10/18/1983

RPI 678

Notificação de entrada na fase nacional - PCT

#1.3

04/13/1982

RPI 599

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