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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8207149

Type

Invention Patent

Filing

12/09/1982

Publication

10/11/1983

Progress at the INPI

  1. Filing12/09/82
  2. Publication10/11/83
  3. Examination08/27/85
  4. Allowance12/29/87
  5. Grant07/26/88
  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: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. H. (pessoa física)

DE

Inventors

L. H. (pessoa física)

P. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Republicação - classificação IPC

#15.11

02/09/1988

RPI 903

Deferimento

#9.1

12/29/1987

RPI 897

6.2

08/19/1986

RPI 826

Solicitação de exame técnico

#4.1

08/27/1985

RPI 775

Publicação do pedido de patente

#3.1

10/11/1983

RPI 677

Pedido de patente depositado

#2.1

02/01/1983

RPI 641

Carta-patente expirada

#21.1

Patente extinta em 09/12/97

07/01/2008

RPI 1956

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