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Official data from INPI

PROCESSO DE ELABORAÇÃO DE ÁCIDO HÚMICO LÍQUIDO ALCALINO.

Em AnáliseInvention Patent

Application data

Number

PI8506529

Type

Invention Patent

Filing

12/13/1985

Publication

04/15/1986

Progress at the INPI

Under appeal
  1. Filing12/13/85
  2. Publication04/15/86
  3. Examination08/05/86
  4. Refused06/06/95
  5. Grant
  6. In force

The application was refused by the INPI on 06/06/1995. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/05/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. K. (pessoa física)

SP, BR

Inventors

T. K. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação antecipada

#3.2

04/15/1986

RPI 808

Pedido de patente depositado

#2.1

04/01/1986

RPI 806

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07G 17/00; C05F 11/00.

03/27/2018

RPI 2464

Indeferimento

#9.2

06/06/1995

RPI 1279

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