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Official data from INPI

APARELHO E PROCESSO PARA MODELAR PELO MENOS UMA SUPERFICIE DE FOLHAS MACIAS E FLEXIVEIS DE MATERIA DE ESPUMA

Arquivada/ExtintaInvention Patent
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Application data

Number

PI7500407

Type

Invention Patent

Filing

01/21/1975

Publication

-
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Progress at the INPI

  1. Filing01/21/75
  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.

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Latest action published by the INPI: 08/03/1993. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BACKER ROD MFG & SUPPLY CO

Inventors

G. J. (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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