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Official data from INPI

DISPOSITIVO DE FREIO PARA JANELAS DE FOLHAS BASCULANTES

Em AnáliseInvention Patent

Application data

Number

PI7701048

Type

Invention Patent

Filing

02/18/1977

Publication

-

Progress at the INPI

  1. Filing02/18/77
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  6. Expired07/27/93

The letters patent expired on 07/27/1993: 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: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PROD PARA CONSTRUCAO ARC LTD

Inventors

M. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

05/27/1986

RPI 814

Pedido de licença compulsória

#20.1

05/29/1984

RPI 710

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

12/22/1981

RPI 583

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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