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Official data from INPI

SISTEMA DE CONTROLE AUTOMÁTICO DO REGIME DE ROTAÇÃO MÍNIMO DE UM MOTOR ENDOTÉRMICO

Em AnáliseInvention Patent

Application data

Number

PI8602837

Type

Invention Patent

Filing

06/11/1986

Publication

02/10/1987

Progress at the INPI

  1. Filing06/11/86
  2. Publication02/10/87
  3. Examination10/27/87
  4. Allowance07/24/90
  5. Grant03/26/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Weber S.r.l

IT

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Inventors

C. C. (pessoa física)

IT

V. B. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

67544-A/85 · 06/11/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

02/14/1989

RPI 956

Solicitação de exame técnico

#4.1

10/27/1987

RPI 888

Publicação do pedido de patente

#3.1

02/10/1987

RPI 851

Pedido de patente depositado

#2.1

12/23/1986

RPI 844

Carta-patente expirada

#21.1

Patente extinta em 11/06/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

03/26/1991

RPI 1060

Notificação para pagamento de retribuição

#13.1

11/06/1990

RPI 1040

Deferimento

#9.1

07/24/1990

RPI 1025

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