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Official data from INPI

SISTEMA DE ELEVADOR.

ConcedidaInvention Patent

Application data

Number

PI8001569

Type

Invention Patent

Filing

03/17/1980

Publication

-

Progress at the INPI

  1. Filing03/17/80
  2. Publication
  3. Examination01/25/83
  4. Allowance03/20/84
  5. Grant09/25/84
  6. Terminated11/03/93

The patent was granted on 09/25/1984 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: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

Inventors

C. L. (pessoa física)

E. K. (pessoa física)

M. A. (pessoa física)

O. P. (pessoa física)

Technical data

IPC Classification

Priority claims

US

021.655 · 03/19/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/25/1984

RPI 727

Republicação - classificação IPC

#15.11

09/18/1984

RPI 726

Notificação para pagamento de retribuição

#13.1

07/17/1984

RPI 717

Deferimento

#9.1

03/20/1984

RPI 700

Republicação - classificação IPC

#15.11

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

09/06/1983

RPI 672

Solicitação de exame técnico

#4.1

01/25/1983

RPI 640

Anuidade - prazo legal encerrado

#18.2

11/03/1993

RPI 1196

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