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Official data from INPI

FIOS E FIBRAS DE POLÍMEROS DE ACRILONITRILA, E PROCESSO PARA SUA PREPARAÇÃO.

IndeferidaInvention Patent

Application data

Number

PI8201530

Type

Invention Patent

Filing

03/19/1982

Publication

02/08/1983

Progress at the INPI

Under appeal
  1. Filing03/19/82
  2. Publication02/08/83
  3. Examination01/08/85
  4. Refused08/01/89
  5. Grant
  6. In force

The application was refused by the INPI on 08/01/1989. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

D. H. (pessoa física)

DE

D. F. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

CH

1918/81 · 03/20/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

08/01/1989

RPI 980

Conhecimento de parecer técnico

#7.1

12/17/1985

RPI 791

Pedido de certificado de adição de invenção

#5.1

05/21/1985

RPI 761

Solicitação de exame técnico

#4.1

01/08/1985

RPI 742

Publicação do pedido de patente

#3.1

02/08/1983

RPI 642

Pedido de patente depositado

#2.1

05/04/1982

RPI 602

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