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

LIGAS DE ALUMÍNIO-LÍTIO TENDO RESISTÊNCIA Á CORROSÃO MELHORADA.

Em AnáliseInvention Patent

Application data

Number

PI8506477

Type

Invention Patent

Filing

12/24/1985

Publication

09/02/1986

Progress at the INPI

Technical opinion to answer
  1. Filing12/24/85
  2. Publication09/02/86
  3. Examination12/06/88
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

Leave your contact and we will alert you

We track INPI publications and let you know as soon as this case moves.

We use your details only for this alert.

Latest action published by the INPI: 12/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aluminium Company Of America

US

See this company's full portfolio

Inventors

P. B. (pessoa física)

R. S. (pessoa física)

W. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

685.731 · 12/24/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/06/1988

RPI 946

Publicação do pedido de patente

#3.1

09/02/1986

RPI 828

Pedido de patente depositado

#2.1

03/04/1986

RPI 802

Retificação

#15.3

06/25/1991

RPI 1073

Conhecimento de parecer técnico

#7.1

08/21/1990

RPI 1029

Patent monitoring

Track this patent in real time.

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