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Official data from INPI

DISPOSITIVO DE REGULAGEM EM DISCOS DE GRAVACAO

Arquivada/ExtintaUtility Model

Application data

Number

MU5800012

Type

Utility Model

Filing

01/05/1978

Publication

-

Progress at the INPI

  1. Filing01/05/78
  2. Publication
  3. Examination
  4. Allowance03/08/83
  5. Grant10/25/83
  6. Expired08/16/88

The letters patent expired on 08/16/1988: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MELLO E

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Inventors

M. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

08/16/1988

RPI 930

Pedido de licença compulsória

#20.1

07/16/1985

RPI 769

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

06/28/1983

RPI 662

Deferimento

#9.1

03/08/1983

RPI 646

Exigência - art. 36 da LPI

#6.1

03/02/1982

RPI 593

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