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Official data from INPI

FUNDAÇÃO EM 'RADIER '

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904949

Type

Invention Patent

Filing

09/29/1989

Publication

05/08/1990

Progress at the INPI

  1. Filing09/29/89
  2. Publication05/08/90
  3. Examination10/27/92
  4. Allowance08/23/94
  5. Grant04/25/95
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 12/22/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CSIR

ZA

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Inventors

A. W. (pessoa física)

ZA

B. L. (pessoa física)

ZA

J. P. (pessoa física)

ZA

Technical data

IPC Classification

Priority claims

ZA

88/7366 · 09/30/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/09/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

12/20/1994

RPI 1255

Deferimento

#9.1

08/23/1994

RPI 1238

Solicitação de exame técnico

#4.1

10/27/1992

RPI 1143

Publicação do pedido de patente

#3.1

05/08/1990

RPI 1017

Pedido de patente depositado

#2.1

02/13/1990

RPI 1006

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