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Official data from INPI

FOGAREIRO PORTATIL A COMBUSTIVEL SOLIDO

Arquivada/ExtintaUtility Model

Application data

Number

MU5800980

Type

Utility Model

Filing

07/26/1978

Publication

-

Progress at the INPI

  1. Filing07/26/78
  2. Publication
  3. Examination
  4. Allowance08/24/82
  5. Grant05/31/83
  6. Expired09/13/88

The letters patent expired on 09/13/1988: 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: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LIOTECN QUIMICA LTD

Inventors

S. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

09/13/1988

RPI 934

Cessão de direito de exploração

#22.1

09/08/1987

RPI 881

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

03/16/1982

RPI 595

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