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Official data from INPI

PROCESSO E DISPOSITIVO PARA A FABRICAÇÃO DE UM COLCHÃO DE FIBRAS MINERAIS

ConcedidaInvention Patent

Application data

Number

PI8201859

Type

Invention Patent

Filing

04/01/1982

Publication

03/01/1983

Progress at the INPI

  1. Filing04/01/82
  2. Publication03/01/83
  3. Examination07/19/83
  4. Allowance05/10/88
  5. Grant10/25/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. S. (pessoa física)

FR

See this company's full portfolio

Inventors

G. B. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

8106617 · 04/02/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/10/1988

RPI 916

Exigência - art. 36 da LPI

#6.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

07/19/1983

RPI 665

Publicação do pedido de patente

#3.1

03/01/1983

RPI 645

Pedido de patente depositado

#2.1

05/25/1982

RPI 605

Carta-patente expirada

#21.1

Patente extinta em 01/04/97

07/01/2008

RPI 1956

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