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Official data from INPI

CABECA MAGNETICA PARA GRAVAR E REPRODUZIR INFORMACOES SOBRE UMA FITA MAGNETICA E COMBINACAO DE DISK DRIVE E DE UM CARTUCHO DE FITA MAGNETICA COMPATIVEL COM DISK-DRIVE

ArquivadaInvention Patent

Application data

Number

PI8606435

Type

Invention Patent

Filing

12/28/1985

Publication

10/20/1987

Progress at the INPI

  1. Filing12/28/85
  2. Publication10/20/87
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 12/28/1985 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: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HEWLETT PACKARD CO [JP]

SONY CORP [JP]

Inventors

C. G. (pessoa física)

H. H. (pessoa física)

O. T. (pessoa física)

S. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

12/12/1989

RPI 999

Publicação do pedido de patente

#3.1

10/20/1987

RPI 887

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

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