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Official data from INPI

CHAPA SENSÍVEL À RADIAÇÃO E PROCESSO PARA SUA PRODUÇÃO

ArquivadaInvention Patent

Application data

Number

PI9004520

Type

Invention Patent

Filing

09/11/1990

Publication

09/10/1991

Progress at the INPI

  1. Filing09/11/90
  2. Publication09/10/91
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 09/11/1990 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/28/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Du Pont-Howson Limited

GB

Inventors

D. S. (pessoa física)

J. W. (pessoa física)

GB

M. P. (pessoa física)

R. J. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8920622.1 · 09/12/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

06/28/1994

RPI 1230

Publicação do pedido de patente

#3.1

09/10/1991

RPI 1084

Pedido de patente depositado

#2.1

03/19/1991

RPI 1059

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