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Official data from INPI

REGULADOR DE PRESSÃO SENSÍVEL A ROTAÇÃO.

Em AnáliseInvention Patent

Application data

Number

PI8009105

Type

Invention Patent

Filing

09/11/1980

Publication

07/13/1982

Progress at the INPI

  1. Filing09/11/80
  2. Publication07/13/82
  3. Examination01/17/84
  4. Allowance03/19/85
  5. Grant10/29/85
  6. Terminated08/09/94

The patent was granted on 10/29/1985 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

G. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

80/01168 · 09/11/1980

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

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

07/09/1985

RPI 768

Deferimento

#9.1

03/19/1985

RPI 752

Exigência - art. 36 da LPI

#6.1

08/14/1984

RPI 721

Solicitação de exame técnico

#4.1

01/17/1984

RPI 691

Notificação de entrada na fase nacional - PCT

#1.3

07/13/1982

RPI 612

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

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