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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8300069

Type

Invention Patent

Filing

01/07/1983

Publication

09/20/1983

Progress at the INPI

  1. Filing01/07/83
  2. Publication09/20/83
  3. Examination01/10/84
  4. Allowance07/08/86
  5. Grant04/28/87
  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: 04/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. I. (pessoa física)

US

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Inventors

M. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/28/1987

RPI 862

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

10/15/1985

RPI 782

Exigência - art. 36 da LPI

#6.1

03/26/1985

RPI 753

Solicitação de exame técnico

#4.1

01/10/1984

RPI 690

Publicação do pedido de patente

#3.1

09/20/1983

RPI 674

Pedido de patente depositado

#2.1

02/22/1983

RPI 644

Carta-patente expirada

#21.1

Patente extinta em 07/01/98

07/01/2008

RPI 1956

20.4

10/16/1990

RPI 1037

20.7

10/16/1990

RPI 1037

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