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Official data from INPI

APARELHO DE CIRCULAÇÃO DE VAPOR

Em AnáliseInvention PatentPCT · US1988001570

Application data

Number

PI8807051

Type

Invention Patent

Filing

05/12/1988

Publication

10/17/1989

PCT

US1988001570

Progress at the INPI

  1. Filing05/12/88
  2. Publication10/17/89
  3. Examination07/02/91
  4. Allowance
  5. Grant
  6. In force

Published on 10/17/1989, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sani-Fresh International, Inc

US

Waterbury Companies, Inc.

US

Inventors

R. N. (pessoa física)

Technical data

IPC Classification

Priority claims

US

050.162 · 05/14/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/17/1989

RPI 991

Retificação

#15.3

09/12/1995

RPI 1293

14.1

06/01/1993

RPI 1174

14.1

05/25/1993

RPI 1173

Solicitação de exame técnico

#4.1

07/02/1991

RPI 1074

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