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Official data from INPI

GERADOR DE ESPUMA PARA PRODUZIR UMA EMULSÃO DE LÍQUIDO/GÁS

DeferidaInvention Patent

Application data

Number

PI8403735

Type

Invention Patent

Filing

07/26/1984

Publication

07/02/1985

Progress at the INPI

  1. Filing07/26/84
  2. Publication07/02/85
  3. Examination06/02/87
  4. Allowance11/28/89
  5. Grant05/29/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stork Brabant B.V.

NL

Inventors

B. C. (pessoa física)

Technical data

IPC Classification

Priority claims

NL

83 02678 · 07/27/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/28/1989

RPI 997

Exigência - art. 36 da LPI

#6.1

06/06/1989

RPI 972

6.2

08/02/1988

RPI 928

Solicitação de exame técnico

#4.1

06/02/1987

RPI 867

Publicação do pedido de patente

#3.1

07/02/1985

RPI 767

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

Carta-patente expirada

#21.1

Patente extinta em 26/07/99

07/08/2008

RPI 1957

Republicação - classificação IPC

#15.11

09/03/1991

RPI 1083

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

04/03/1990

RPI 1012

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