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Official data from INPI

PROCESSO DE ADSORÇÃO POR OSCILAÇÃO DE PRESSÃO E SISTEMA DE ADSORÇÃO POR OSCILAÇÃO DE PRESSÃO.

Em AnáliseInvention PatentPCT · US1986000535

Application data

Number

PI8607117

Type

Invention Patent

Filing

03/19/1986

Publication

02/09/1988

PCT

US1986000535

Progress at the INPI

  1. Filing03/19/86
  2. Publication02/09/88
  3. Examination08/29/89
  4. Allowance05/30/95
  5. Abandoned
  6. In force

The application was allowed on 05/30/1995 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 08/29/1989. 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. W. (pessoa física)

US

R. C. (pessoa física)

US

W. H. (pessoa física)

US

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/29/1989

RPI 984

Notificação de entrada na fase nacional - PCT

#1.3

02/09/1988

RPI 903

Arquivamento - Art. 38 §2° da LPI

#11.4

09/10/1996

RPI 1345

Notificação para pagamento de retribuição

#13.1

03/05/1996

RPI 1318

9.1.3

09/12/1995

RPI 1293

Deferimento

#9.1

05/30/1995

RPI 1278

14.1

11/01/1994

RPI 1248

14.4

10/25/1994

RPI 1247

Exigência - art. 36 da LPI

#6.1

08/16/1994

RPI 1237

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