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Official data from INPI

PROCESSO DE FABRICAÇÃO DE CASAS UTILIZANDO O PRÓPRIO SOLO LOCAL COMO MATÉRIA-PRIMA

ConcedidaInvention Patent

Application data

Number

PI8104041

Type

Invention Patent

Filing

06/26/1981

Publication

02/01/1983

Progress at the INPI

  1. Filing06/26/81
  2. Publication02/01/83
  3. Examination10/11/83
  4. Allowance04/09/85
  5. Grant10/29/85
  6. Expired10/08/96

The letters patent expired on 10/08/1996: 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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. R. (pessoa física)

SP, BR

Inventors

R. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

10/11/1983

RPI 677

Publicação do pedido de patente

#3.1

02/01/1983

RPI 641

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

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