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Official data from INPI

SISTEMA DE CONTROLE DE PRESSÃO DE DESCARGA DE FLUIDO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9104640

Type

Invention Patent

Filing

10/25/1991

Publication

06/09/1992

Progress at the INPI

  1. Filing10/25/91
  2. Publication06/09/92
  3. Abandoned07/19/94
  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: 05/16/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Praxair Technology, Inc.

US

See this company's full portfolio

Inventors

J. B. (pessoa física)

US

N. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

607.295 · 10/31/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento por falta de pagamento

#8.6

Referente à 6ª, 7ª, 8ª e 9ª anuidade.

05/16/2000

RPI 1532

8.1

Referente a 6ª e 7ª anuidade

12/22/1998

RPI 1459

Solicitação de exame técnico

#4.1

07/19/1994

RPI 1233

14.4

06/01/1993

RPI 1174

14.7

06/01/1993

RPI 1174

14.7

05/25/1993

RPI 1173

Publicação do pedido de patente

#3.1

06/09/1992

RPI 1123

Pedido de patente depositado

#2.1

11/26/1991

RPI 1095

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