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Official data from INPI

SEPARADOR CICLÔNICO PARA SEPARAR VAPOR DE ÁGUA EM UMA MISTURA VAPOR/ÁGUA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005364

Type

Invention Patent

Filing

10/23/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing10/23/90
  2. Publication09/17/91
  3. Examination05/12/92
  4. Allowance03/15/94
  5. Grant11/29/94
  6. Expired06/08/10

The letters patent expired on 06/08/2010: 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: 06/08/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Babcock & Wilcox Company

US

See this company's full portfolio

Inventors

M. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

427.666 · 10/27/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/10/2005

06/08/2010

RPI 2057

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

06/28/1994

RPI 1230

Deferimento

#9.1

03/15/1994

RPI 1215

Solicitação de exame técnico

#4.1

05/12/1992

RPI 1119

Publicação do pedido de patente

#3.1

09/17/1991

RPI 1085

Pedido de patente depositado

#2.1

04/16/1991

RPI 1063

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