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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8206584

Type

Invention Patent

Filing

11/05/1982

Publication

06/19/1984

Progress at the INPI

  1. Filing11/05/82
  2. Publication06/19/84
  3. Examination06/11/85
  4. Allowance07/14/87
  5. Grant02/17/88
  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: 02/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. P. (pessoa física)

RS, BR

Inventors

P. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/17/1988

RPI 904

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Conhecimento de parecer técnico

#7.1

01/06/1987

RPI 846

Solicitação de exame técnico

#4.1

06/11/1985

RPI 764

Publicação do pedido de patente

#3.1

06/19/1984

RPI 713

Pedido de patente depositado

#2.1

01/04/1983

RPI 637

Carta-patente expirada

#21.1

Patente extinta em 05/11/97

07/01/2008

RPI 1956

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