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Official data from INPI

GERADOR SÍNCRONO

Em AnáliseInvention Patent

Application data

Number

PI8707235

Type

Invention Patent

Filing

12/30/1987

Publication

08/01/1989

Progress at the INPI

  1. Filing12/30/87
  2. Publication08/01/89
  3. Examination11/21/89
  4. Allowance07/20/93
  5. Grant06/28/94
  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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bambozzi S/A Máquinas Hidráulicas e Elétricas

SP, BR

Inventors

H. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/21/1989

RPI 996

Publicação do pedido de patente

#3.1

08/01/1989

RPI 980

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Carta-patente expirada

#21.1

Patente extinta em 30/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

01/18/1994

RPI 1207

Deferimento

#9.1

07/20/1993

RPI 1181

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