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Official data from INPI

APARELHO E METODO DE DETECCAO DE POSICAO DE CINTA DE TIPOS

ConcedidaInvention Patent

Application data

Number

PI8401652

Type

Invention Patent

Filing

04/15/1983

Publication

11/20/1984

Progress at the INPI

  1. Filing04/15/83
  2. Publication11/20/84
  3. Examination10/07/86
  4. Allowance05/10/88
  5. Grant10/25/88
  6. Terminated06/06/95

The patent was granted on 10/25/1988 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IBM [US]

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Inventors

M. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Deferimento

#9.1

05/10/1988

RPI 916

Exigência - art. 36 da LPI

#6.1

11/24/1987

RPI 892

Solicitação de exame técnico

#4.1

10/07/1986

RPI 833

Publicação do pedido de patente

#3.1

11/20/1984

RPI 735

Pedido de patente depositado

#2.1

06/19/1984

RPI 713

Anuidade - prazo legal encerrado

#18.2

06/06/1995

RPI 1279

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