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

PROCESSO DE SEPARAÇÃO DO ALCATRÃO DOS VOLÁTEIS DA CARBONIZAÇÃO DA MADEIRA POR IMPACTO E COALESCÊNCIA

Em AnáliseInvention Patent

Application data

Number

PI8108449

Type

Invention Patent

Filing

08/19/1981

Publication

04/12/1983

Progress at the INPI

Technical opinion to answer
  1. Filing08/19/81
  2. Publication04/12/83
  3. Examination01/10/84
  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: 11/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mannesmann Agro Florestal Ltda

MG, BR

Inventors

S. A. (pessoa física)

S. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/03/1987

RPI 889

Conhecimento de parecer técnico

#7.1

04/23/1985

RPI 757

Solicitação de exame técnico

#4.1

01/10/1984

RPI 690

Publicação do pedido de patente

#3.1

04/12/1983

RPI 651

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.