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Official data from INPI

SISTEMA DE REVESTIMENTO ELETROSTRATICO.

Em AnáliseInvention Patent

Application data

Number

PI7808708

Type

Invention Patent

Filing

07/05/1979

Publication

-

Progress at the INPI

  1. Filing07/05/79
  2. Publication
  3. Examination01/25/83
  4. Allowance12/20/83
  5. Grant07/31/84
  6. Terminated06/14/88

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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar Tractor Company

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Inventors

B. T. (pessoa física)

D. G. (pessoa física)

S. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

849.818 · 11/09/1977

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

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

01/25/1983

RPI 640

11.8

01/18/1983

RPI 639

11.9

06/15/1982

RPI 608

Arquivamento - Art. 33 da LPI

#11.1

04/20/1982

RPI 600

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