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Official data from INPI

APARELHO PARA TRATAR ARTIGOS COM GÁS.

Em AnáliseInvention Patent

Application data

Number

PI8605135

Type

Invention Patent

Filing

02/04/1986

Publication

05/05/1987

Progress at the INPI

  1. Filing02/04/86
  2. Publication05/05/87
  3. Examination09/27/88
  4. Allowance10/19/93
  5. Grant05/31/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson & Johnson

US

See this company's full portfolio

Inventors

A. R. (pessoa física)

US

P. E. (pessoa física)

US

R. I. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

698.434 · 02/05/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/27/1988

RPI 936

Notificação de entrada na fase nacional - PCT

#1.3

05/05/1987

RPI 863

Carta-patente expirada

#21.1

Patente extinta em 04/02/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

10/19/1993

RPI 1194

Exigência - art. 36 da LPI

#6.1

05/11/1993

RPI 1171

14.1

05/26/1992

RPI 1121

Exigência - art. 36 da LPI

#6.1

01/08/1991

RPI 1049

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