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Official data from INPI

APARELHO APERFEICOADO PARA TRATAMENTO DE UMA TIRA DE PAPE

Arquivada/ExtintaInvention Patent

Application data

Number

PI7500181

Type

Invention Patent

Filing

07/22/1974

Publication

-

Progress at the INPI

  1. Filing07/22/74
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  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: 08/03/1993. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CLUPAK INC

Inventors

B. F. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

08/03/1993

RPI 1183

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