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Official data from INPI

ELEVADOR DE RODA PARA ICAR

Concessão AnuladaInvention Patent

Application data

Number

PI7603408

Type

Invention Patent

Filing

05/28/1975

Publication

-

Progress at the INPI

  1. Filing05/28/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/24/82
  6. Expired08/03/93

The letters patent expired on 08/03/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/27/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KONE OY

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Inventors

H. U. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

04/27/1982

RPI 601

Concessão da patente

#16.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

08/03/1993

RPI 1183

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