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Official data from INPI

SEÇÃO E PROCESSO DE FORMAÇÃO DE DESAGUAMENTO DE FOLHA EM MÁQUINA DE PAPEL.

Em AnáliseInvention Patent

Application data

Number

PI8501973

Type

Invention Patent

Filing

04/25/1985

Publication

12/24/1985

Progress at the INPI

Under appeal
  1. Filing04/25/85
  2. Publication12/24/85
  3. Examination07/08/86
  4. Refused01/09/90
  5. Grant
  6. In force

The application was refused by the INPI on 01/09/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

C. H. (pessoa física)

DE

C. R. (pessoa física)

R. B. (pessoa física)

R. C. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

01/31/1989

RPI 954

Solicitação de exame técnico

#4.1

07/08/1986

RPI 820

Publicação do pedido de patente

#3.1

12/24/1985

RPI 792

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Indeferimento

#9.2

01/09/1990

RPI 1001

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