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Official data from INPI

Processo para permitir a autenticação de um dispositivo de armazenamento magnético e aparelho para modificar a superfície de gravação de um dispositivo de armazenamento magnético.

ArquivadaInvention Patent

Application data

Number

PI8305978

Type

Invention Patent

Filing

10/31/1983

Publication

07/10/1984

Progress at the INPI

  1. Filing10/31/83
  2. Publication07/10/84
  3. Abandoned08/12/86
  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.

Talk to a specialist

Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

Inventors

J. G. (pessoa física)

W. L. (pessoa física)

Technical data

IPC Classification

Priority claims

US

443,766 · 11/22/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/14/1989

RPI 995

Exigência - art. 36 da LPI

#6.1

05/02/1989

RPI 967

6.2

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

07/10/1984

RPI 716

Pedido de patente depositado

#2.1

01/17/1984

RPI 691

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