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Official data from INPI

CONJUNTO DE ESTEIRA RODOVIÁVEL SEM-FIM PARA VEÍCULOS DO TIPO DE ESTEIRAS E DE TRABALHO.

ConcedidaInvention Patent

Application data

Number

PI8307701

Type

Invention Patent

Filing

06/20/1983

Publication

03/12/1985

Progress at the INPI

  1. Filing06/20/83
  2. Publication03/12/85
  3. Examination06/16/87
  4. Allowance02/09/88
  5. Grant08/30/88
  6. Terminated05/30/95

The patent was granted on 08/30/1988 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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar Tractor Co.

US

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Inventors

A. T. (pessoa física)

R. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

483.963 · 04/11/1983

US

83/00955 · 06/20/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

06/07/1988

RPI 920

14.1

04/12/1988

RPI 912

Deferimento

#9.1

02/09/1988

RPI 903

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Notificação de entrada na fase nacional - PCT

#1.3

03/12/1985

RPI 751

Anuidade - prazo legal encerrado

#18.2

05/30/1995

RPI 1278

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