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Official data from INPI

ESTRUTURA DE CÉLULA DE MEMÓRIA E PROCESSO DE FABRICAÇÃO DA MESMA

PublicadaInvention Patent

Application data

Number

PI8803623

Type

Invention Patent

Filing

07/19/1988

Publication

02/08/1989

Progress at the INPI

  1. Filing07/19/88
  2. Publication02/08/89
  3. Examination02/19/91
  4. Allowance
  5. Grant
  6. In force

Published on 02/08/1989, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 02/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. C. (pessoa física)

US

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Inventors

N. L. (pessoa física)

W. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

075.791 · 07/20/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/08/1989

RPI 955

Pedido de patente depositado

#2.1

12/27/1988

RPI 949

Retificação

#15.3

07/25/1995

RPI 1286

Solicitação de exame técnico

#4.1

02/19/1991

RPI 1055

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