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Official data from INPI

CARCAÇA EM FORMA DE COPO PARA UMA TURBOMÁQUINA, POR EXEMPLO UMA BOMBA CENTRÍFUGA

ConcedidaInvention Patent

Application data

Number

PI8501195

Type

Invention Patent

Filing

03/18/1985

Publication

11/12/1985

Progress at the INPI

  1. Filing03/18/85
  2. Publication11/12/85
  3. Examination11/03/87
  4. Allowance08/02/88
  5. Grant09/26/89
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sulzer Brothers Ltd.

CH

See this company's full portfolio

Inventors

S. M. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

1370/84 · 03/19/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

Solicitação de exame técnico

#4.1

11/03/1987

RPI 889

Publicação do pedido de patente

#3.1

11/12/1985

RPI 786

Pedido de patente depositado

#2.1

06/11/1985

RPI 764

Carta-patente expirada

#21.1

Patente extinta em 18/03/2000

07/15/2008

RPI 1958

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