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Official data from INPI

CIRCUITO PARA LIGAR AUTOMATICA E SELETIVAMENTE UMA CARGA;CIRCUITO AUTOMATICO DE LIGACAO E DESLIGAMENTO;E CIRCUITO PARA LIGAR UMA CARGA ENTRE LIGACAO OPERATIVA

Arquivada/ExtintaInvention Patent

Application data

Number

PI7608714

Type

Invention Patent

Filing

01/05/1976

Publication

-

Progress at the INPI

  1. Filing01/05/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  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: 07/27/1993. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GATES RUBBER CO

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Inventors

H. R. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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