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Official data from INPI

INSTALACAO E PROCESSO DE CARREGAMENTO DE UM FORNO DE CUBA

Concessão AnuladaInvention Patent

Application data

Number

PI7908059

Type

Invention Patent

Filing

12/08/1978

Publication

-

Progress at the INPI

  1. Filing12/08/78
  2. Publication
  3. Examination07/13/82
  4. Allowance09/20/83
  5. Grant03/27/84
  6. Expired05/02/95

The letters patent expired on 05/02/1995: 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: 06/19/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. P. (pessoa física)

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Inventors

L. E. (pessoa física)

M. R. (pessoa física)

M. P. (pessoa física)

R. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

06/19/1984

RPI 713

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/03/1984

RPI 689

Deferimento

#9.1

09/20/1983

RPI 674

Exigência - art. 36 da LPI

#6.1

03/15/1983

RPI 647

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

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