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Official data from INPI

COMPOSIÇÃO DE LAVAGEM

Arquivada/ExtintaInvention Patent

Application data

Number

PI9100594

Type

Invention Patent

Filing

02/14/1991

Publication

10/29/1991

Progress at the INPI

  1. Filing02/14/91
  2. Publication10/29/91
  3. Examination01/25/94
  4. Allowance05/26/98
  5. Grant11/24/98
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

F. D. (pessoa física)

DE

G. K. (pessoa física)

DE

H. K. (pessoa física)

DE

J. K. (pessoa física)

DE

W. G. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 40 04 626.5 · 02/15/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 14/02/2011

05/28/2013

RPI 2212

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

05/26/1998

RPI 1431

Solicitação de exame técnico

#4.1

01/25/1994

RPI 1208

Publicação do pedido de patente

#3.1

10/29/1991

RPI 1091

Pedido de patente depositado

#2.1

08/27/1991

RPI 1082

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