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Official data from INPI

PROCESSO DE POLICONDENSACAO E DISPOSITIVO PARA A EXECUCAO DO PROCESSO

Em AnáliseInvention Patent

Application data

Number

PI7601245

Type

Invention Patent

Filing

02/27/1975

Publication

-

Progress at the INPI

  1. Filing02/27/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/16/82
  6. Terminated11/17/87

The patent was granted on 02/16/1982 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: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. E. (pessoa física)

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Inventors

K. F. (pessoa física)

R. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/17/1987

RPI 891

Concessão da patente

#16.1

02/16/1982

RPI 591

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