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Official data from INPI

PROCESSO ADITIVANTE MUDULADO.

Em AnáliseInvention Patent
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Application data

Number

PI8305849

Type

Invention Patent

Filing

10/24/1983

Publication

05/28/1985
View on INPI

Progress at the INPI

Technical opinion to answer
  1. Filing10/24/83
  2. Publication05/28/85
  3. Examination07/22/86
  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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. L. (pessoa física)

SP, BR

Inventors

L. [. (pessoa física)

Technical data

IPC Classification

C21C 7/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

07/18/1989

RPI 978

Solicitação de exame técnico

#4.1

07/22/1986

RPI 822

Publicação do pedido de patente

#3.1

05/28/1985

RPI 762

Pedido de patente depositado

#2.1

12/26/1984

RPI 740

Retificação

#15.3

01/15/1991

RPI 1050

15.5

01/15/1991

RPI 1050

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