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Official data from INPI

MANCAL RADIAL DESLIZANTE HIDRODINÂMICO DE BOMBEAMENTO AUTOMÁTICO

PublicadaInvention Patent

Application data

Number

PI8706405

Type

Invention Patent

Filing

11/26/1987

Publication

07/19/1988

Progress at the INPI

  1. Filing11/26/87
  2. Publication07/19/88
  3. Examination11/27/90
  4. Allowance12/24/91
  5. Grant11/24/92
  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: 07/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BBC Brown Boveri Ag; (BBC Brown Boveri SA; BBC Brown Boveri Ltd)

CH

Inventors

A. F. (pessoa física)

CH

M. S. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

4746 · 11/27/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/19/1988

RPI 926

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Carta-patente expirada

#21.1

Patente extinta em 26/11/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/24/1992

RPI 1147

Republicação - classificação IPC

#15.11

12/24/1991

RPI 1099

Deferimento

#9.1

12/24/1991

RPI 1099

Solicitação de exame técnico

#4.1

11/27/1990

RPI 1043

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