(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

SISTEMA DE PROTEÇÃO CATÓDICA

Em AnáliseInvention Patent

Application data

Number

PI8701066

Type

Invention Patent

Filing

03/09/1987

Publication

12/29/1987

Progress at the INPI

  1. Filing03/09/87
  2. Publication12/29/87
  3. Examination01/03/89
  4. Allowance04/07/92
  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: 01/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Oronzio de Nora S.A

CH

Inventors

B. B. (pessoa física)

IT

G. M. (pessoa física)

IT

G. B. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

19686 A/86 · 03/10/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/03/1989

RPI 950

14.7

07/05/1988

RPI 924

Publicação do pedido de patente

#3.1

12/29/1987

RPI 897

Pedido de patente depositado

#2.1

06/16/1987

RPI 869

Carta-patente expirada

#21.1

Patente extinta em 09/03/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

09/08/1992

RPI 1136

Deferimento

#9.1

04/07/1992

RPI 1114

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.