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Official data from INPI

COLETOR HIDRÁULICO.

Em AnáliseInvention Patent

Application data

Number

PI7909043

Type

Invention Patent

Filing

10/04/1979

Publication

10/20/1981

Progress at the INPI

  1. Filing10/04/79
  2. Publication10/20/81
  3. Examination05/17/83
  4. Allowance12/13/83
  5. Grant07/31/84
  6. Terminated07/12/88

The patent was granted on 07/31/1984 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar Tractor Co.

US

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Inventors

C. C. (pessoa física)

F. K. (pessoa física)

Technical data

IPC Classification

Priority claims

US

79/00819 · 10/04/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

04/10/1984

RPI 703

Deferimento

#9.1

12/13/1983

RPI 686

Solicitação de exame técnico

#4.1

05/17/1983

RPI 656

Notificação de entrada na fase nacional - PCT

#1.3

10/20/1981

RPI 574

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