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Official data from INPI

SISTEMA DE IDENTIFICAÇÃO DE FASES DE UM MOTOR ENDOTÉRMICO

Em AnáliseInvention Patent

Application data

Number

PI8602903

Type

Invention Patent

Filing

06/04/1986

Publication

03/17/1987

Progress at the INPI

  1. Filing06/04/86
  2. Publication03/17/87
  3. Examination10/10/89
  4. Allowance09/03/91
  5. Grant06/30/92
  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: 10/10/1989. 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

M. S. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

67-512-A/85 · 06/04/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/10/1989

RPI 990

14.1

07/04/1989

RPI 976

14.3

01/03/1989

RPI 950

Publicação do pedido de patente

#3.1

03/17/1987

RPI 856

Pedido de patente depositado

#2.1

02/17/1987

RPI 852

Carta-patente expirada

#21.1

Patente extinta em 04/06/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

06/30/1992

RPI 1126

Notificação para pagamento de retribuição

#13.1

01/07/1992

RPI 1101

Republicação - classificação IPC

#15.11

11/19/1991

RPI 1094

Deferimento

#9.1

09/03/1991

RPI 1083

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