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Official data from INPI

PURGAÇÃO DE CONTAMINANTE EM UM ACIONAMENTO DE DISCO MAGNÉTICO.

IndeferidaInvention Patent

Application data

Number

PI8207975

Type

Invention Patent

Filing

04/01/1982

Publication

10/04/1983

Progress at the INPI

Under appeal
  1. Filing04/01/82
  2. Publication10/04/83
  3. Examination07/16/85
  4. Refused02/24/87
  5. Grant
  6. In force

The application was refused by the INPI on 02/24/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 02/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

Inventors

P. [. (pessoa física)

Technical data

IPC Classification

Priority claims

US

321.335 · 11/16/1981

US

PCT/82/00387 · 04/01/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

02/24/1987

RPI 853

Solicitação de exame técnico

#4.1

07/16/1985

RPI 769

Notificação de entrada na fase nacional - PCT

#1.3

10/04/1983

RPI 676

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