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

COMPOSICAO AQUOSA ACIDA ISENTA DE CROMO E PROCESSO PARA TRATAR UMA SUPERFICIE DE METAL

Em AnáliseInvention Patent

Application data

Number

PI8108565

Type

Invention Patent

Filing

01/02/1981

Publication

10/19/1982

Progress at the INPI

Technical opinion to answer
  1. Filing01/02/81
  2. Publication10/19/82
  3. Examination07/10/84
  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: 03/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOOKER CHEMICALS PLASTICS CORP [US]

See this company's full portfolio

Inventors

W. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

03/01/1988

RPI 906

Conhecimento de parecer técnico

#7.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação do pedido de patente

#3.1

10/19/1982

RPI 626

Pedido de patente depositado

#2.1

02/24/1982

RPI 592

Patent monitoring

Track this patent in real time.

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