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Official data from INPI

Composição de ativação dupla; e processos para a formação de um produto curado, e para a formação e um verestimento curado sobre um substrato.

Em AnáliseInvention Patent

Application data

Number

PI8103906

Type

Invention Patent

Filing

06/22/1981

Publication

08/24/1982

Progress at the INPI

Technical opinion to answer
  1. Filing06/22/81
  2. Publication08/24/82
  3. Examination09/27/83
  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: 03/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co.

US

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Inventors

M. R. (pessoa física)

Technical data

Priority claims

US

177.658 · 08/13/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

03/01/1988

RPI 906

Conhecimento de parecer técnico

#7.1

03/27/1984

RPI 701

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

Publicação do pedido de patente

#3.1

08/24/1982

RPI 618

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