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Official data from INPI

ELO PARA CORRENTES

ConcedidaInvention Patent

Application data

Number

PI8000598

Type

Invention Patent

Filing

02/01/1979

Publication

-

Progress at the INPI

  1. Filing02/01/79
  2. Publication
  3. Examination08/17/82
  4. Allowance12/20/83
  5. Grant06/26/84
  6. Terminated02/11/92

The patent was granted on 06/26/1984 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: 09/18/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RUD KETTEN RIEGER & DIETZ

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Inventors

S. M. (pessoa física)

W. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

09/18/1984

RPI 726

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

Republicação - classificação IPC

#15.11

01/10/1984

RPI 690

Deferimento

#9.1

12/20/1983

RPI 687

Exigência - art. 36 da LPI

#6.1

08/16/1983

RPI 669

Solicitação de exame técnico

#4.1

08/17/1982

RPI 617

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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