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Official data from INPI

CILINDRO DE ACUNHAMENTO,APARELHO PARA COMPACTAR MATERIAIS DE VEU E SEMELHANTES,PROCESSO DE PRODUZIR FORCAS NO PLANO DE MATERIAIS DE VEU,COMO PAPEL E SEMELHANTES E PROCESSO DE PRODUZIR UM CILINDRO DE ACUNHAMENTO

ConcedidaInvention Patent

Application data

Number

PI7603369

Type

Invention Patent

Filing

05/30/1975

Publication

-

Progress at the INPI

  1. Filing05/30/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant01/26/82
  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: 01/26/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CLUPAK INC

Inventors

G. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/26/1982

RPI 588

Carta-patente expirada

#21.1

08/03/1993

RPI 1183

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