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Official data from INPI

COMPOSICAO EXPLOSIVA PLASTICA

ConcedidaInvention Patent
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Application data

Number

PI7900508

Type

Invention Patent

Filing

01/24/1979

Publication

-
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Progress at the INPI

  1. Filing01/24/79
  2. Publication
  3. Examination
  4. Allowance03/15/88
  5. Grant09/27/88
  6. Expired05/31/94

The letters patent expired on 05/31/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. B. (pessoa física)

Inventors

M. F. (pessoa física)

Technical data

IPC Classification

C06B 25/32C06B 25/34

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

07/19/1988

RPI 926

Deferimento

#9.1

03/15/1988

RPI 908

Exigência - art. 36 da LPI

#6.1

08/18/1987

RPI 878

Exigência - art. 36 da LPI

#6.1

11/06/1984

RPI 733

Exigência - art. 36 da LPI

#6.1

06/05/1984

RPI 711

Exigência - art. 36 da LPI

#6.1

11/01/1983

RPI 680

Exigência - art. 36 da LPI

#6.1

02/16/1983

RPI 643

Carta-patente expirada

#21.1

05/31/1994

RPI 1226

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