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Official data from INPI

PROCESSO DE UTILIZAÇÃO DE FORÇA PASSIVATIVA.

Em AnáliseInvention Patent

Application data

Number

PI7908505

Type

Invention Patent

Filing

12/20/1979

Publication

-

Progress at the INPI

  1. Filing12/20/79
  2. Publication
  3. Examination08/24/82
  4. Allowance09/06/83
  5. Grant03/27/84
  6. Terminated11/16/88

The patent was granted on 03/27/1984 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. B. (pessoa física)

SP, BR

Inventors

B. C. (pessoa física)

G. M. (pessoa física)

H. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

12/27/1983

RPI 688

Deferimento

#9.1

09/06/1983

RPI 672

Republicação - classificação IPC

#15.11

04/05/1983

RPI 650

Exigência - art. 36 da LPI

#6.1

03/15/1983

RPI 647

Solicitação de exame técnico

#4.1

08/24/1982

RPI 618

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