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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8004217

Type

Invention Patent

Filing

07/08/1980

Publication

-

Progress at the INPI

  1. Filing07/08/80
  2. Publication
  3. Examination
  4. Allowance03/29/83
  5. Grant09/27/83
  6. Expired09/19/95

The letters patent expired on 09/19/1995: 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: 09/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. K. (pessoa física)

JP

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Inventors

M. I. (pessoa física)

M. H. (pessoa física)

S. M. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/29/1983

RPI 649

Exigência - art. 36 da LPI

#6.1

09/14/1982

RPI 621

Carta-patente expirada

#21.1

09/19/1995

RPI 1294

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