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Official data from INPI

FREIO A DISCO.

Em AnáliseInvention Patent

Application data

Number

PI7908358

Type

Invention Patent

Filing

12/18/1979

Publication

-

Progress at the INPI

  1. Filing12/18/79
  2. Publication
  3. Examination09/14/82
  4. Allowance11/16/83
  5. Grant05/29/84
  6. Terminated05/17/88

The patent was granted on 05/29/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

See this company's full portfolio

Inventors

B. A. (pessoa física)

C. W. (pessoa física)

Technical data

IPC Classification

Priority claims

US

974,186 · 12/26/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

20.7

10/08/1985

RPI 781

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

03/20/1984

RPI 700

Deferimento

#9.1

11/16/1983

RPI 682

Exigência - art. 36 da LPI

#6.1

03/22/1983

RPI 648

Solicitação de exame técnico

#4.1

09/14/1982

RPI 621

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