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Official data from INPI

PROCESSO PARA OBTENÇAÕ DE MATERIAIS POROSOS E SUA UTILIZAÇÃO

ConcedidaInvention Patent

Application data

Number

PI8200457

Type

Invention Patent

Filing

01/27/1982

Publication

11/30/1982

Progress at the INPI

  1. Filing01/27/82
  2. Publication11/30/82
  3. Examination11/29/83
  4. Allowance07/09/85
  5. Grant12/31/85
  6. Terminated02/11/92

The patent was granted on 12/31/1985 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: 12/31/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Grace G.m.b.h.

DE

Inventors

H. S. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

DE

P 31 02 735.0 · 01/28/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Republicação - classificação IPC

#15.11

05/21/1985

RPI 761

Exigência - art. 36 da LPI

#6.1

01/02/1985

RPI 741

Solicitação de exame técnico

#4.1

11/29/1983

RPI 684

Publicação do pedido de patente

#3.1

11/30/1982

RPI 632

Pedido de patente depositado

#2.1

03/16/1982

RPI 595

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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