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Official data from INPI

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ConcedidaInvention Patent
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Application data

Number

PI8100050

Type

Invention Patent

Filing

01/08/1980

Publication

-
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Progress at the INPI

  1. Filing01/08/80
  2. Publication
  3. Examination05/24/83
  4. Allowance12/16/86
  5. Grant08/25/87
  6. Terminated02/04/92

The patent was granted on 08/25/1987 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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DULMISON PTY LTD

Inventors

D. P. (pessoa física)

Technical data

IPC Classification

H02G 7/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Exigência - art. 36 da LPI

#6.1

11/05/1985

RPI 785

Exigência - art. 36 da LPI

#6.1

04/30/1985

RPI 758

Exigência - art. 36 da LPI

#6.1

10/16/1984

RPI 730

Pedido de certificado de adição de invenção

#5.1

10/04/1983

RPI 676

Solicitação de exame técnico

#4.1

05/24/1983

RPI 657

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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