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Official data from INPI

PROTETOR ANTI-CHAMA PARA DEPOSITOS DE COMBUSTIVEL

Arquivada/ExtintaUtility Model

Application data

Number

MU5800784

Type

Utility Model

Filing

06/21/1978

Publication

-

Progress at the INPI

  1. Filing06/21/78
  2. Publication
  3. Examination
  4. Allowance12/01/81
  5. Grant
  6. Expired09/13/88

The letters patent expired on 09/13/1988: 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: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. V. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

09/13/1988

RPI 934

Notificação para pagamento de retribuição

#13.1

04/13/1982

RPI 599

15.0

02/02/1982

RPI 589

15.0

12/15/1981

RPI 582

Deferimento

#9.1

12/01/1981

RPI 580

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