Official data from INPI

SACHET DE MATERIAL EM FOLHA FLEXÍVEL

Prazo de SigiloInvention Patent

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Application data

Number

PI8902327

Type

Invention Patent

Filing

05/18/1989

Publication

01/09/1990

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Progress at the INPI

Filing05/18/89
Publication01/09/90
Examination03/17/92
Allowance08/17/93
Grant03/29/94
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.

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Latest action published by the INPI: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Procter & Gamble Company

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Inventors

B. T. (pessoa física)

C. L. (pessoa física)

H. D. (pessoa física)

Technical data

IPC Classification

C11D 17/08 D06F 39/02

Priority claims

88-11794 · 05/18/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/04/1989

RPI 976

Carta-patente expirada

#21.1

Patente extinta em 18/05/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

03/29/1994

RPI 1217

Deferimento

#9.1

08/17/1993

RPI 1185

Solicitação de exame técnico

#4.1

03/17/1992

RPI 1111

Publicação do pedido de patente

#3.1

01/09/1990

RPI 1001

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