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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8207280

Type

Invention Patent

Filing

12/14/1982

Publication

10/18/1983

Progress at the INPI

  1. Filing12/14/82
  2. Publication10/18/83
  3. Examination07/02/85
  4. Allowance04/22/86
  5. Grant12/30/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. E. (pessoa física)

FR

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Inventors

G. J. (pessoa física)

Z. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

08/26/1986

RPI 827

Deferimento

#9.1

04/22/1986

RPI 809

Solicitação de exame técnico

#4.1

07/02/1985

RPI 767

Publicação do pedido de patente

#3.1

10/18/1983

RPI 678

Pedido de patente depositado

#2.1

02/08/1983

RPI 642

Carta-patente expirada

#21.1

Patente extinta em 14/12/97

07/01/2008

RPI 1956

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