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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8306058

Type

Invention Patent

Filing

11/03/1983

Publication

09/18/1984

Progress at the INPI

  1. Filing11/03/83
  2. Publication09/18/84
  3. Examination02/05/85
  4. Allowance01/07/86
  5. Grant09/30/86
  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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Micro Mega SA

FR

See this company's full portfolio

Inventors

L. H. (pessoa física)

S. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

05/06/1986

RPI 811

Deferimento

#9.1

01/07/1986

RPI 794

Republicação - classificação IPC

#15.11

10/01/1985

RPI 780

Exigência - art. 36 da LPI

#6.1

07/30/1985

RPI 771

Solicitação de exame técnico

#4.1

02/05/1985

RPI 746

Publicação do pedido de patente

#3.1

09/18/1984

RPI 726

Pedido de patente depositado

#2.1

01/17/1984

RPI 691

Carta-patente expirada

#21.1

Patente extinta em 03/11/98

07/01/2008

RPI 1956

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