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Official data from INPI

UNIDADE PARA O TRATAMENTO DE DISCOS MAGNÉTICOS

ConcedidaInvention Patent

Application data

Number

PI8204233

Type

Invention Patent

Filing

07/21/1982

Publication

07/12/1983

Progress at the INPI

  1. Filing07/21/82
  2. Publication07/12/83
  3. Examination09/18/84
  4. Allowance10/01/85
  5. Grant05/27/86
  6. Terminated02/11/92

The patent was granted on 05/27/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ing. C. Olivetti & C., S.p.A.

IT

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Inventors

G. B. (pessoa física)

IT

S. T. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

68021-A/81 · 07/23/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Deferimento

#9.1

10/01/1985

RPI 780

Republicação - classificação IPC

#15.11

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

07/12/1983

RPI 664

Pedido de patente depositado

#2.1

08/31/1982

RPI 619

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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