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Official data from INPI

FIBRAS DE VIDRO RESISTENTES DE ALCALI E PRODUTO TIPO CIMENTO REFORCADO COM FIBRA

ArquivadaInvention Patent
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Application data

Number

PI8001474

Type

Invention Patent

Filing

03/15/1979

Publication

11/11/1980
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Progress at the INPI

  1. Filing03/15/79
  2. Publication11/11/80
  3. Abandoned10/13/81
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/14/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PILKINGTON BROTHERS LTD

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Inventors

C. D. (pessoa física)

F. K. (pessoa física)

Technical data

IPC Classification

C03C 13/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

08/14/1984

RPI 721

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

10/13/1981

RPI 573

Publicação do pedido de patente

#3.1

11/11/1980

RPI 525

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