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Official data from INPI

APERFEICOAMENTOS EM MANCAIS PARA GRADES DE DISCOS

Arquivada/ExtintaUtility Model

Application data

Number

MU5700034

Type

Utility Model

Filing

01/13/1977

Publication

-

Progress at the INPI

  1. Filing01/13/77
  2. Publication
  3. Examination
  4. Allowance01/25/83
  5. Grant09/27/83
  6. Expired08/16/88

The letters patent expired on 08/16/1988: 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: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CIVEMASA SA IND & COM

Inventors

S. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

08/16/1988

RPI 930

210

06/11/1985

RPI 764

Pedido de licença voluntária

#17.1

11/13/1984

RPI 734

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

05/31/1983

RPI 658

Deferimento

#9.1

01/25/1983

RPI 640

Exigência - art. 36 da LPI

#6.1

08/03/1982

RPI 615

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