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Official data from INPI

SEPARADOR DE ÁGUA DE ALTA VELOCIDADE

PublicadaInvention Patent

Application data

Number

PI8700131

Type

Invention Patent

Filing

01/14/1987

Publication

12/01/1987

Progress at the INPI

  1. Filing01/14/87
  2. Publication12/01/87
  3. Examination07/24/90
  4. Allowance04/02/91
  5. Grant10/29/91
  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: 12/01/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BBC Aktiengesellschaft Brown, Boveri & Cie (em francês: BBC Societe Anonyme Brown, Boveri & Cie; em inglês: BB

CH

Inventors

D. B. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

131/86 · 01/15/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/01/1987

RPI 893

Pedido de patente depositado

#2.1

05/12/1987

RPI 864

Carta-patente expirada

#21.1

Patente extinta em 14/01/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

07/16/1991

RPI 1076

Deferimento

#9.1

04/02/1991

RPI 1061

Solicitação de exame técnico

#4.1

07/24/1990

RPI 1025

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