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Official data from INPI

DISPOSITIVO PARA ENROLAR UM CINTO DE SEGURANCA

Em AnáliseInvention Patent

Application data

Number

PI7607683

Type

Invention Patent

Filing

11/17/1976

Publication

-

Progress at the INPI

  1. Filing11/17/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant12/29/81
  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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KOLB GMBH & CO HANS

Inventors

W. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

07/28/1987

RPI 875

Concessão da patente

#16.1

12/29/1981

RPI 584

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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