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Official data from INPI

COMPOSTO EXPLOSIVO PULVERULENTO.

IndeferidaInvention Patent
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Application data

Number

PI8403721

Type

Invention Patent

Filing

07/26/1984

Publication

02/20/1985
View on INPI

Progress at the INPI

Under appeal
  1. Filing07/26/84
  2. Publication02/20/85
  3. Examination05/07/85
  4. Refused09/13/88
  5. Grant
  6. In force

The application was refused by the INPI on 09/13/1988. The invention was never patented.

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Latest action published by the INPI: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Britanite Indústrias Químicas Ltda

Inventors

D. S. (pessoa física)

BR

Technical data

IPC Classification

C06B 31/30

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

09/13/1988

RPI 934

Conhecimento de parecer técnico

#7.1

08/25/1987

RPI 879

Pedido de certificado de adição de invenção

#5.1

10/29/1985

RPI 784

Pedido de certificado de adição de invenção

#5.1

10/08/1985

RPI 781

Solicitação de exame técnico

#4.1

05/07/1985

RPI 759

Publicação antecipada

#3.2

02/20/1985

RPI 748

Solicitação de exame não realizada

#4.2

11/13/1984

RPI 734

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

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