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Official data from INPI

SEM TITULO

ConcedidaInvention Patent
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Application data

Number

PI8204998

Type

Invention Patent

Filing

08/26/1982

Publication

08/09/1983
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Progress at the INPI

  1. Filing08/26/82
  2. Publication08/09/83
  3. Examination10/01/85
  4. Allowance03/01/88
  5. Grant09/27/88
  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.

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Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Miteni S.r.l

IT

Inventors

C. G. (pessoa física)

IT

M. M. (pessoa física)

IT

Technical data

IPC Classification

C07C 85/26C07C 87/50

Priority claims

IT

25591 A/81 · 12/15/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

06/21/1988

RPI 922

Deferimento

#9.1

03/01/1988

RPI 906

Exigência - art. 36 da LPI

#6.1

12/23/1986

RPI 844

Solicitação de exame técnico

#4.1

10/01/1985

RPI 780

Publicação do pedido de patente

#3.1

08/09/1983

RPI 668

Pedido de patente depositado

#2.1

10/13/1982

RPI 625

Carta-patente expirada

#21.1

Patente extinta em 26/08/97

07/01/2008

RPI 1956

Pedido de licença compulsória

#20.1

09/25/1990

RPI 1034

20.4

09/18/1990

RPI 1033

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