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Official data from INPI

SISTEMA DE AMPARO À VIDA DE PROCESSO DE FORNECIMENTO DE AR FRESCO PARA ÁREAS FECHADAS.

IndeferidaInvention Patent

Application data

Number

PI8205842

Type

Invention Patent

Filing

01/27/1982

Publication

01/11/1983

Progress at the INPI

Under appeal
  1. Filing01/27/82
  2. Publication01/11/83
  3. Examination09/11/84
  4. Refused01/13/87
  5. Grant
  6. In force

The application was refused by the INPI on 01/13/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 01/13/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. W. (pessoa física)

US

Inventors

W. [. (pessoa física)

Technical data

IPC Classification

Priority claims

US

228.940 · 01/27/1981

US

82/00098 · 01/27/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

01/13/1987

RPI 847

14.1

10/08/1985

RPI 781

Conhecimento de parecer técnico

#7.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

09/11/1984

RPI 725

Notificação de entrada na fase nacional - PCT

#1.3

01/11/1983

RPI 638

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