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Official data from INPI

CORDEL DETONANTE DE BAIXA ENERGIA,E PROCESSO E APARELHO PARA PRODUCAO DO MESMO

ConcedidaInvention Patent
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Application data

Number

PI7800462

Type

Invention Patent

Filing

10/17/1977

Publication

-
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Progress at the INPI

  1. Filing10/17/77
  2. Publication
  3. Examination
  4. Allowance01/24/84
  5. Grant07/31/84
  6. Terminated01/28/92

The patent was granted on 07/31/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT

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Inventors

Y. M. (pessoa física)

Technical data

IPC Classification

C06C 5/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

01/24/1984

RPI 692

Notificação para pagamento de retribuição

#13.1

01/25/1983

RPI 640

Exigência - art. 36 da LPI

#6.1

01/18/1983

RPI 639

6.2

12/29/1981

RPI 584

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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