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Official data from INPI

DISPOSITIVO DE GUIA DE FITA PARA FITAS MAGNÉTICAS.

ConcedidaInvention Patent

Application data

Number

PI8205095

Type

Invention Patent

Filing

08/31/1982

Publication

08/09/1983

Progress at the INPI

  1. Filing08/31/82
  2. Publication08/09/83
  3. Examination07/23/85
  4. Allowance01/06/87
  5. Grant07/28/87
  6. Terminated01/03/95

The patent was granted on 07/28/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

DE

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Inventors

M. W. (pessoa física)

R. R. (pessoa física)

S. D. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 31 34 894.7 · 09/03/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Deferimento

#9.1

01/06/1987

RPI 846

Solicitação de exame técnico

#4.1

07/23/1985

RPI 770

Publicação do pedido de patente

#3.1

08/09/1983

RPI 668

Pedido de patente depositado

#2.1

10/19/1982

RPI 626

Anuidade - prazo legal encerrado

#18.2

01/03/1995

RPI 1257

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