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Official data from INPI

APERFEICOAMENTO EM CONJUNTO DE VENTILADOR PARA VARIADOR DE VELOCIDADE ELETROMAGNETICO

Arquivada/ExtintaUtility Model

Application data

Number

MU5801095

Type

Utility Model

Filing

08/15/1978

Publication

-

Progress at the INPI

  1. Filing08/15/78
  2. Publication
  3. Examination
  4. Allowance01/11/83
  5. Grant09/27/83
  6. Expired09/27/88

The letters patent expired on 09/27/1988: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. G. (pessoa física)

Inventors

G. G. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

09/27/1988

RPI 936

Pedido de licença compulsória

#20.1

07/16/1985

RPI 769

201

07/17/1984

RPI 717

Pedido de licença voluntária

#17.1

01/03/1984

RPI 689

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

01/11/1983

RPI 638

8.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

12/29/1981

RPI 584

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