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Official data from INPI

CARGAS DE IGNIÇÃO ISENTAS DE CHUMBO E DE BÁRIO.

ConcedidaInvention Patent

Application data

Number

PI8402923

Type

Invention Patent

Filing

06/15/1984

Publication

05/28/1985

Progress at the INPI

  1. Filing06/15/84
  2. Publication05/28/85
  3. Examination06/30/87
  4. Allowance02/28/89
  5. Grant09/26/89
  6. Terminated06/13/95

The patent was granted on 09/26/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. A. (pessoa física)

DE

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Inventors

D. R. (pessoa física)

DE

D. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 33 21 943.5 · 06/18/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

02/28/1989

RPI 958

Exigência - art. 36 da LPI

#6.1

09/20/1988

RPI 935

Solicitação de exame técnico

#4.1

06/30/1987

RPI 871

Publicação do pedido de patente

#3.1

05/28/1985

RPI 762

Pedido de patente depositado

#2.1

08/21/1984

RPI 722

Anuidade - prazo legal encerrado

#18.2

06/13/1995

RPI 1280

300

09/03/1991

RPI 1083

22.5

08/06/1991

RPI 1079

300

08/06/1991

RPI 1079

200

05/07/1991

RPI 1066

Pedido de licença voluntária

#17.1

10/23/1990

RPI 1038

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