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Official data from INPI

IMPLEMENTO PARA TRANSPORTE DE CARGAS ESPECIAIS

Em AnáliseInvention Patent

Application data

Number

PI7704615

Type

Invention Patent

Filing

07/11/1977

Publication

-

Progress at the INPI

  1. Filing07/11/77
  2. Publication
  3. Examination
  4. Allowance09/28/82
  5. Grant05/31/83
  6. Expired07/06/93

The letters patent expired on 07/06/1993: 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RODOVIARIA SA

Inventors

C. R. (pessoa física)

M. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

10/17/1989

RPI 991

20.7

07/16/1985

RPI 769

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

02/01/1983

RPI 641

Deferimento

#9.1

09/28/1982

RPI 623

Exigência - art. 36 da LPI

#6.1

04/06/1982

RPI 598

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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