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Official data from INPI

SISTEMA DE RESFRIAMENTO DE PNEU E PROCESSO.

Em AnáliseInvention Patent

Application data

Number

PI8108971

Type

Invention Patent

Filing

02/25/1981

Publication

01/11/1983

Progress at the INPI

  1. Filing02/25/81
  2. Publication01/11/83
  3. Examination06/19/84
  4. Allowance09/17/85
  5. Grant05/27/86
  6. Terminated05/24/88

The patent was granted on 05/27/1986 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar Tractor Co.

US

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Inventors

C. [. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

US

81/00241 · 02/25/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

05/27/1986

RPI 814

Notificação para pagamento de retribuição

#13.1

01/21/1986

RPI 796

Deferimento

#9.1

09/17/1985

RPI 778

Exigência - art. 36 da LPI

#6.1

01/22/1985

RPI 744

Solicitação de exame técnico

#4.1

06/19/1984

RPI 713

Notificação de entrada na fase nacional - PCT

#1.3

01/11/1983

RPI 638

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