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Official data from INPI

REVESTIMENTO

ConcedidaInvention Patent

Application data

Number

PI7905503

Type

Invention Patent

Filing

08/27/1979

Publication

-

Progress at the INPI

  1. Filing08/27/79
  2. Publication
  3. Examination
  4. Allowance09/21/82
  5. Grant11/29/83
  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: 11/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Maccaferri Gabiões do Brasil Ltda

SP, BR

Inventors

M. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

10/25/1983

RPI 679

110

07/19/1983

RPI 665

Recurso

#12.1

02/08/1983

RPI 642

Deferimento

#9.1

09/21/1982

RPI 622

Exigência - art. 36 da LPI

#6.1

03/16/1982

RPI 595

Pedido de certificado de adição de invenção

#5.1

11/24/1981

RPI 579

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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