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Official data from INPI

CABEÇOTE DE LEITURA/ESCRITA PARA SISTEMAS ÓTICOS,MÉTODO DE FABRICAÇÃO DE ELEMENTOS ÓTICOS E MÉTODO PARA LEITURA DE SUPERFICIE MAGNETO ÓTICA

PublicadaInvention Patent

Application data

Number

PI8605867

Type

Invention Patent

Filing

12/01/1986

Publication

08/25/1987

Progress at the INPI

  1. Filing12/01/86
  2. Publication08/25/87
  3. Abandoned02/01/90
  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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. C. (pessoa física)

US

See this company's full portfolio

Inventors

H. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

EP

85 116116.6 · 12/17/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/25/1987

RPI 879

Pedido de patente depositado

#2.1

04/22/1987

RPI 861

Arquivamento - Art. 36 §1° da LPI

#11.2

10/05/1993

RPI 1192

Exigência - art. 36 da LPI

#6.1

04/13/1993

RPI 1167

Solicitação de exame técnico

#4.1

02/01/1990

RPI 1004

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