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Official data from INPI

INTERRUPTOR DE LIMPADOR E LAVADOR DE PARA-BRISA DE VEICULOS AUTOMOVEIS

Em AnáliseInvention Patent

Application data

Number

PI7606828

Type

Invention Patent

Filing

10/08/1976

Publication

-

Progress at the INPI

  1. Filing10/08/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/24/82
  6. Expired07/27/93

The letters patent expired on 07/27/1993: 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: 07/05/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. L. (pessoa física)

Inventors

W. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

07/05/1983

RPI 663

Concessão da patente

#16.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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