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Official data from INPI

SISTEMA DE ELEVADOR.

ConcedidaInvention Patent

Application data

Number

PI8004474

Type

Invention Patent

Filing

07/18/1980

Publication

-

Progress at the INPI

  1. Filing07/18/80
  2. Publication
  3. Examination05/10/83
  4. Allowance12/13/83
  5. Grant05/29/84
  6. Terminated02/04/92

The patent was granted on 05/29/1984 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: 05/29/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

J. F. (pessoa física)

Technical data

IPC Classification

Priority claims

US

061.538 · 07/27/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

04/10/1984

RPI 703

Deferimento

#9.1

12/13/1983

RPI 686

Solicitação de exame técnico

#4.1

05/10/1983

RPI 655

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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