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Official data from INPI

VÁLVULA SELETORA.

Em AnáliseInvention Patent

Application data

Number

PI8009113

Type

Invention Patent

Filing

10/17/1980

Publication

08/24/1982

Progress at the INPI

  1. Filing10/17/80
  2. Publication08/24/82
  3. Examination02/28/84
  4. Allowance11/13/84
  5. Grant06/25/85
  6. Terminated06/21/88

The patent was granted on 06/25/1985 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar Tractor Co.

US

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Inventors

G. [. (pessoa física)

G. [. (pessoa física)

L. [. (pessoa física)

S. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

80/01398 · 10/17/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

4.1.1

06/12/1984

RPI 712

Solicitação de exame técnico

#4.1

04/24/1984

RPI 705

Solicitação de exame técnico

#4.1

02/28/1984

RPI 697

Notificação de entrada na fase nacional - PCT

#1.3

08/24/1982

RPI 618

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