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Official data from INPI

PROCESSO PARA PRODUZIR UM ARTIGO DE VIDRO OPACO OU COLORIDO E RIGIDO COM ALTA RESISTENCIA

Em AnáliseInvention Patent

Application data

Number

PI7601601

Type

Invention Patent

Filing

03/18/1975

Publication

-

Progress at the INPI

  1. Filing03/18/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant05/25/82
  6. Terminated11/17/87

The patent was granted on 05/25/1982 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: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. T. (pessoa física)

M. P. (pessoa física)

Inventors

D. P. (pessoa física)

L. T. (pessoa física)

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

05/25/1982

RPI 605

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