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Official data from INPI

RETENTOR E CONJUNTO RESPECTIVO.

Em AnáliseInvention Patent

Application data

Number

PI7907525

Type

Invention Patent

Filing

11/20/1979

Publication

-

Progress at the INPI

  1. Filing11/20/79
  2. Publication
  3. Examination03/01/83
  4. Allowance12/20/83
  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.

Talk to a specialist

Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpilar Tractor Company

Inventors

L. R. (pessoa física)

W. P. (pessoa física)

Technical data

IPC Classification

Priority claims

US

889.702 · 03/24/1978

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

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

03/01/1983

RPI 645

11.8

02/22/1983

RPI 644

11.9

06/15/1982

RPI 608

Arquivamento - Art. 33 da LPI

#11.1

04/20/1982

RPI 600

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