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Official data from INPI

PROCESSO E DISPOSITIVO PARA TRANSVASAR LÍQUIDOS CONTENDO ÁCIDO CARBÔNICO, ESPECIALMENTE BEBIDAS, SOB CONTRAPRESSÃO, PARA RECIPIENTES OU SIMILARES

PublicadaInvention Patent

Application data

Number

PI8901003

Type

Invention Patent

Filing

03/03/1989

Publication

10/24/1989

Progress at the INPI

  1. Filing03/03/89
  2. Publication10/24/89
  3. Examination08/20/91
  4. Allowance08/31/93
  5. Grant04/26/94
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. N. (pessoa física)

DE

S. A. (pessoa física)

DE

Inventors

L. C. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38 07 046.4 · 03/04/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/24/1989

RPI 992

Pedido de patente depositado

#2.1

04/18/1989

RPI 965

Carta-patente expirada

#21.1

Patente extinta em 03/03/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

04/26/1994

RPI 1221

Deferimento

#9.1

08/31/1993

RPI 1187

Solicitação de exame técnico

#4.1

08/20/1991

RPI 1081

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