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Official data from INPI

SISTEMAS DE CONSTRUÇÃO E ELEMENTOS DOS MESMOS.

ConcedidaInvention PatentPCT · US1984000281

Application data

Number

PI8405492

Type

Invention Patent

Filing

02/24/1984

Publication

02/20/1985

PCT

US1984000281

Progress at the INPI

  1. Filing02/24/84
  2. Publication02/20/85
  3. Examination06/16/87
  4. Allowance05/30/89
  5. Grant11/28/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. R. (pessoa física)

US

C. S. (pessoa física)

US

Inventors

C. S. (pessoa física)

US

Technical data

Priority claims

CA

422.315 · 02/24/1983

US

578.285 · 02/08/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/26/1989

RPI 988

Deferimento

#9.1

05/30/1989

RPI 971

Exigência - art. 36 da LPI

#6.1

12/13/1988

RPI 947

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Notificação de entrada na fase nacional - PCT

#1.3

02/20/1985

RPI 748

Pedido de patente depositado

#2.1

12/13/1983

RPI 686

Carta-patente expirada

#21.1

Patente extinta em 24/02/99

07/08/2008

RPI 1957

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