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Official data from INPI

SISTEMA DE AUTO-CORREÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8604596

Type

Invention Patent

Filing

09/19/1986

Publication

05/26/1987

Progress at the INPI

  1. Filing09/19/86
  2. Publication05/26/87
  3. Examination10/10/89
  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: 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

M. S. (pessoa física)

IT

P. F. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

67 800-A/85 · 09/20/1985

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

05/26/1987

RPI 866

Pedido de patente depositado

#2.1

03/24/1987

RPI 857

Carta-patente expirada

#21.1

Patente extinta em 19/09/2001

07/22/2008

RPI 1959

Republicação - classificação IPC

#15.11

05/07/1991

RPI 1066

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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