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Official data from INPI

ESTRUTURA DE APOIO E COBERTURA PRÉ-FABRICADA, PARTICULARMENTE PARA CONSTRUIR TÚNEIS, PONTES E SIMILARES.

Em ExigênciaInvention Patent

Application data

Number

PI8507199

Type

Invention Patent

Filing

05/31/1985

Publication

08/04/1987

Progress at the INPI

  1. Filing05/31/85
  2. Publication08/04/87
  3. Examination02/23/88
  4. Allowance02/13/90
  5. Grant09/25/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tensiter S.p.A., empresa italiana

IT

Inventors

C. C. (pessoa física)

IT

Technical data

Priority claims

IT

67581-A/84 · 06/05/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

02/23/1988

RPI 905

Notificação de entrada na fase nacional - PCT

#1.3

08/04/1987

RPI 876

Carta-patente expirada

#21.1

Patente extinta em 31/05/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

06/05/1990

RPI 1021

Deferimento

#9.1

02/13/1990

RPI 1006

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