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Official data from INPI

PROCESSO DE AGLOMERACAO DE PO

Em AnáliseInvention Patent

Application data

Number

PI7702558

Type

Invention Patent

Filing

04/23/1976

Publication

-

Progress at the INPI

  1. Filing04/23/76
  2. Publication
  3. Examination
  4. Allowance11/03/81
  5. Grant
  6. Terminated12/08/87

The patent was granted 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: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. A. (pessoa física)

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/08/1987

RPI 894

20.4

08/16/1983

RPI 669

Notificação para pagamento de retribuição

#13.1

03/02/1982

RPI 593

Deferimento

#9.1

11/03/1981

RPI 576

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