Official data from INPI

PRODUTO DE INJEÇÃO PARA AREIAS FINAS E OUTRAS MASSAS POROSAS

Arquivada/ExtintaInvention Patent

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Application data

Number

PI9105023

Type

Invention Patent

Filing

11/19/1991

Publication

06/23/1992

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Progress at the INPI

Filing11/19/91
Publication06/23/92
Examination08/23/94
Allowance09/09/97
Grant07/28/98
Expired06/11/13

The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Geatec

Inventors

C. C. (pessoa física)

Technical data

IPC Classification

C04B 28/26 E02D 3/12

Priority claims

90 14435 · 11/20/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/11/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

07/28/1998

RPI 1440

Deferimento

#9.1

09/09/1997

RPI 1397

Exigência - art. 36 da LPI

#6.1

07/30/1996

RPI 1339

Solicitação de exame técnico

#4.1

08/23/1994

RPI 1238

Publicação do pedido de patente

#3.1

06/23/1992

RPI 1125

Pedido de patente depositado

#2.1

12/24/1991

RPI 1099

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