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Official data from INPI

PROCESSO PARA A DUPLICACAO TERMOMAGNETICA DE FITA DE VIDEO EM CORES,FITA MAGNETICA

PublicadaInvention Patent

Application data

Number

PI8800113

Type

Invention Patent

Filing

01/14/1987

Publication

08/23/1988

Progress at the INPI

  1. Filing01/14/87
  2. Publication08/23/88
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 01/14/1987 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT [US]

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Inventors

H. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/23/1988

RPI 931

Pedido de patente depositado

#2.1

04/26/1988

RPI 914

Arquivamento - Art. 33 da LPI

#11.1

06/11/1991

RPI 1071

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