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Official data from INPI

MASSA ABSORVENTE DE CO2

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905671

Type

Invention Patent

Filing

11/06/1989

Publication

04/30/1991

Progress at the INPI

  1. Filing11/06/89
  2. Publication04/30/91
  3. Examination08/06/91
  4. Allowance02/06/96
  5. Grant12/31/96
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. A. (pessoa física)

DE

Inventors

D. S. (pessoa física)

DE

D. R. (pessoa física)

DE

D. W. (pessoa física)

DE

K. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38 42 048.1 · 12/14/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 06/11/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

12/31/1996

RPI 1361

Notificação para pagamento de retribuição

#13.1

07/16/1996

RPI 1337

Deferimento

#9.1

02/06/1996

RPI 1314

Solicitação de exame técnico

#4.1

08/06/1991

RPI 1079

Publicação do pedido de patente

#3.1

04/30/1991

RPI 1065

Pedido de patente depositado

#2.1

03/06/1990

RPI 1008

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