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Official data from INPI

PROCESSO E SISTEMA PARA SECAGEM DE MEMBRANA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9104302

Type

Invention Patent

Filing

10/04/1991

Publication

06/09/1992

Progress at the INPI

  1. Filing10/04/91
  2. Publication06/09/92
  3. Abandoned11/23/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned for failure to pay the annuities (art. 86 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/10/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Praxair Technology, Inc.

US

See this company's full portfolio

Inventors

R. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

596.098 · 10/11/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento por falta de pagamento

#8.6

Referente à 6ª, 7ª, 8ª, 9ª anuidades.

10/10/2000

RPI 1553

8.1

Referente a 6ª, 7ª e 8ª anuidade

10/26/1999

RPI 1503

Solicitação de exame técnico

#4.1

11/23/1993

RPI 1199

14.4

06/01/1993

RPI 1174

14.7

06/01/1993

RPI 1174

Publicação do pedido de patente

#3.1

06/09/1992

RPI 1123

Pedido de patente depositado

#2.1

11/12/1991

RPI 1093

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