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Official data from INPI

SILO TEMPORARIO

ConcedidaInvention Patent

Application data

Number

PI7905748

Type

Invention Patent

Filing

09/04/1979

Publication

-

Progress at the INPI

  1. Filing09/04/79
  2. Publication
  3. Examination03/30/82
  4. Allowance11/08/83
  5. Grant04/24/84
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. O. (pessoa física)

Inventors

G. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

01/31/1984

RPI 693

100

11/08/1983

RPI 681

120

07/19/1983

RPI 665

Petição de recurso

#12.2

05/03/1983

RPI 654

Indeferimento

#9.2

01/11/1983

RPI 638

Pedido de certificado de adição de invenção

#5.1

09/08/1982

RPI 620

Solicitação de exame técnico

#4.1

03/30/1982

RPI 597

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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