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Official data from INPI

INSTALAÇÃO DE COBERTURA

ConcedidaInvention Patent

Application data

Number

PI8203971

Type

Invention Patent

Filing

07/08/1982

Publication

07/05/1983

Progress at the INPI

  1. Filing07/08/82
  2. Publication07/05/83
  3. Examination08/27/85
  4. Allowance12/16/86
  5. Grant07/28/87
  6. Terminated07/18/95

The patent was granted on 07/28/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. C. (pessoa física)

DE

Inventors

H. C. (pessoa física)

DE

Technical data

Priority claims

DE

P 31 42 149.0 · 10/23/1981

DE

P 32 05 383.5 · 02/16/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Exigência - art. 36 da LPI

#6.1

06/17/1986

RPI 817

Solicitação de exame técnico

#4.1

08/27/1985

RPI 775

Publicação do pedido de patente

#3.1

07/05/1983

RPI 663

Pedido de patente depositado

#2.1

08/24/1982

RPI 618

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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