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Official data from INPI

PROCESSO E APARELHO PARA CONTROLAR PATINAÇÃO DE RODAS EM RODAS ACIONADAS DIFERENCIALMENTE.

Em AnáliseInvention Patent

Application data

Number

PI8009062

Type

Invention Patent

Filing

01/05/1982

Publication

04/13/1982

Progress at the INPI

  1. Filing01/05/82
  2. Publication04/13/82
  3. Examination10/04/83
  4. Allowance02/12/85
  5. Grant10/01/85
  6. Terminated08/09/94

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.

Talk to a specialist

Latest action published by the INPI: 03/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar Tractor Co.

US

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Inventors

B. D. (pessoa física)

M. A. (pessoa física)

Technical data

Priority claims

US

80/00538 · 05/07/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

03/22/1988

RPI 909

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

10/04/1983

RPI 676

Notificação de entrada na fase nacional - PCT

#1.3

04/13/1982

RPI 599

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

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