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Official data from INPI

PROCESSO PARA OPERAR CENTRÍFUGA DE COMPRESSÃO

Arquivada/ExtintaInvention PatentPCT · EP1990000583

Application data

Number

PI9007288

Type

Invention Patent

Filing

04/12/1990

Publication

03/24/1992

PCT

EP1990000583

Progress at the INPI

  1. Filing04/12/90
  2. Publication03/24/92
  3. Examination03/09/93
  4. Allowance05/31/94
  5. Grant04/25/95
  6. Expired06/15/10

The letters patent expired on 06/15/2010: 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: 06/15/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. S. (pessoa física)

DE

Inventors

W. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 39 12 207.7 · 04/13/1989

DE

P 40 10 748.5 · 04/03/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 12/04/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

10/04/1994

RPI 1244

Deferimento

#9.1

05/31/1994

RPI 1226

Solicitação de exame técnico

#4.1

03/09/1993

RPI 1162

Notificação de entrada na fase nacional - PCT

#1.3

03/24/1992

RPI 1112

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