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Official data from INPI

APARELHAGEM PARA O AQUECIMENTO DA PAREDE CILÍNDRICA DE UM CILINDRO ROTATIVO DE UMA MÁQUINA PARA A FABRICAÇÃO DE PAPEL

Em AnáliseInvention Patent

Application data

Number

PI8203579

Type

Invention Patent

Filing

06/16/1982

Publication

06/14/1983

Progress at the INPI

Technical opinion to answer
  1. Filing06/16/82
  2. Publication06/14/83
  3. Examination06/25/85
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 10/20/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

U. S. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

67827-A/81 · 06/16/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

10/20/1987

RPI 887

Conhecimento de parecer técnico

#7.1

07/22/1986

RPI 822

Solicitação de exame técnico

#4.1

06/25/1985

RPI 766

Publicação do pedido de patente

#3.1

06/14/1983

RPI 660

Pedido de patente depositado

#2.1

08/03/1982

RPI 615

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