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Official data from INPI

MÉTODO PARA CONSTRUIR GALERIAS DE GRANDE LUZ

PublicadaInvention Patent

Application data

Number

PI8900724

Type

Invention Patent

Filing

02/14/1989

Publication

10/17/1989

Progress at the INPI

  1. Filing02/14/89
  2. Publication10/17/89
  3. Examination11/05/91
  4. Allowance12/13/94
  5. Grant07/25/95
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rocksoil S.r.l

IT

Inventors

P. L. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

19807 A/88 · 03/16/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/17/1989

RPI 991

Pedido de patente depositado

#2.1

04/04/1989

RPI 963

Carta-patente expirada

#21.1

Patente extinta em 14/02/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

04/18/1995

RPI 1272

Deferimento

#9.1

12/13/1994

RPI 1254

Conhecimento de parecer técnico

#7.1

05/03/1994

RPI 1222

Solicitação de exame técnico

#4.1

11/05/1991

RPI 1092

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