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Official data from INPI

UNIDADE DE PURIFICAÇÃO PARA SEPARAÇÃO DE PARTÍCULAS SÓLIDAS DE GASES

Arquivada/ExtintaInvention PatentPCT · SE1987000627

Application data

Number

PI8707932

Type

Invention Patent

Filing

12/22/1987

Publication

02/13/1990

PCT

SE1987000627

Progress at the INPI

  1. Filing12/22/87
  2. Publication02/13/90
  3. Examination09/25/90
  4. Allowance10/04/94
  5. Grant05/30/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 07/29/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. J. (pessoa física)

SE

Inventors

E. J. (pessoa física)

SE

Technical data

Priority claims

SE

8605590-2 · 12/29/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/30/1995

RPI 1278

Notificação para pagamento de retribuição

#13.1

02/07/1995

RPI 1262

Deferimento

#9.1

10/04/1994

RPI 1244

Exigência - art. 36 da LPI

#6.1

04/19/1994

RPI 1220

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

Notificação de entrada na fase nacional - PCT

#1.3

02/13/1990

RPI 1006

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