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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE SILICA GEL QUE TEM UM TAMANHO MÉDIO DE PARTICULA DE 1 A 30 MÍCRONS.

ConcedidaInvention Patent

Application data

Number

PI7908104

Type

Invention Patent

Filing

12/12/1979

Publication

-

Progress at the INPI

  1. Filing12/12/79
  2. Publication
  3. Examination07/20/82
  4. Allowance06/12/84
  5. Grant12/26/84
  6. Terminated09/25/90

The patent was granted on 12/26/1984 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: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Garce G.m.b.H.

Inventors

F. P. (pessoa física)

G. R. (pessoa física)

L. G. (pessoa física)

M. R. (pessoa física)

R. K. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P2853647.2 · 12/13/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/02/1984

RPI 728

Deferimento

#9.1

06/12/1984

RPI 712

Exigência - art. 36 da LPI

#6.1

11/08/1983

RPI 681

6.2

03/22/1983

RPI 648

Solicitação de exame técnico

#4.1

07/20/1982

RPI 613

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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