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Official data from INPI

COBERTURA PROTETORA PARA BLINDAGEM DE COROA GIRATORIA DE ONIBUS ARTICULADO

Em AnáliseInvention Patent

Application data

Number

PI7808471

Type

Invention Patent

Filing

12/24/1977

Publication

-

Progress at the INPI

  1. Filing12/24/77
  2. Publication
  3. Examination
  4. Allowance06/01/82
  5. Grant12/27/83
  6. Expired05/24/94

The letters patent expired on 05/24/1994: 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: 04/23/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DAIMLER BENZ AG

Inventors

H. E. (pessoa física)

K. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

04/23/1985

RPI 757

Pedido de licença voluntária

#17.1

11/27/1984

RPI 736

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

10/25/1983

RPI 679

110

08/16/1983

RPI 669

Recurso

#12.1

11/09/1982

RPI 629

Recurso

#12.1

09/14/1982

RPI 621

Deferimento

#9.1

06/01/1982

RPI 606

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

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