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Official data from INPI

EQUIPAMENTO PARA VULCANIZACAO DE PRODUTOS A BASE DE BORRACHA COM GRANDE COMPRIMENTO

Em AnáliseInvention Patent

Application data

Number

PI7707877

Type

Invention Patent

Filing

05/04/1977

Publication

-

Progress at the INPI

  1. Filing05/04/77
  2. Publication
  3. Examination
  4. Allowance05/18/82
  5. Grant
  6. Expired07/20/93

The letters patent expired on 07/20/1993: 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: 10/19/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. V. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

15.0

10/19/1982

RPI 626

Notificação para pagamento de retribuição

#13.1

09/08/1982

RPI 620

Deferimento

#9.1

05/18/1982

RPI 604

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

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