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Official data from INPI

SANFONA DE CONEXAO ENTRE O CARRO DIANTEIRO E O CARRO TRASEIRO DE UM ONIBUS ARTICULADO

ConcedidaInvention Patent

Application data

Number

PI7901551

Type

Invention Patent

Filing

03/14/1978

Publication

-

Progress at the INPI

  1. Filing03/14/78
  2. Publication
  3. Examination
  4. Allowance11/23/82
  5. Grant06/28/83
  6. Expired06/21/94

The letters patent expired on 06/21/1994: 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: 06/28/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DAIMLER BENZ AG

Inventors

K. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

04/05/1983

RPI 650

Republicação - classificação IPC

#15.11

11/23/1982

RPI 631

Deferimento

#9.1

11/23/1982

RPI 631

Pedido de certificado de adição de invenção

#5.1

03/09/1982

RPI 594

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

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