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Official data from INPI

REVESTIMENTO DE BASE PARA ADERIR À SUBSTRATOS PLÁSTICOS.

Em AnáliseInvention Patent

Application data

Number

PI8601634

Type

Invention Patent

Filing

04/10/1986

Publication

12/16/1986

Progress at the INPI

Under appeal
  1. Filing04/10/86
  2. Publication12/16/86
  3. Examination02/21/89
  4. Refused09/08/93
  5. Grant
  6. In force

The application was refused by the INPI on 09/08/1993. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PPG INDUSTRIES INC [US]

See this company's full portfolio

Inventors

L. C. (pessoa física)

R. G. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/21/1989

RPI 957

Publicação do pedido de patente

#3.1

12/16/1986

RPI 843

Pedido de patente depositado

#2.1

10/29/1986

RPI 836

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09J 3/14; B32B 27/08; C08J 7/04; C09D 4/00; C09D 183/04; C09D 183/14; C09D 185/00.

03/27/2018

RPI 2464

Indeferimento

#9.2

09/08/1993

RPI 1188

4.1.1

03/03/1992

RPI 1109

Conhecimento de parecer técnico

#7.1

01/07/1992

RPI 1101

Solicitação de exame técnico

#4.1

12/24/1991

RPI 1099

6.2

01/02/1990

RPI 1000

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