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Official data from INPI

TECTO-SILICATO POROSO CRISTALINO, COMPOSIÇÀO COMPREENDENDO O MESMO, E PROCESSO PARA CONVERSÀO DE COMPOSTO ORGÂNICO.

ConcedidaInvention Patent

Application data

Number

PI8002149

Type

Invention Patent

Filing

04/08/1980

Publication

-

Progress at the INPI

  1. Filing04/08/80
  2. Publication
  3. Examination
  4. Allowance07/14/87
  5. Grant12/29/87
  6. Terminated02/04/92

The patent was granted on 12/29/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

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Inventors

K. G. (pessoa física)

Technical data

Priority claims

US

028.482 · 04/09/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

12/30/1986

RPI 845

Exigência - art. 36 da LPI

#6.1

01/10/1984

RPI 690

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C01B 33/28; B01J 29/06; C07C 2/12; C07C 2/66; C07C 5/27; C07C 6/00; C01B 39/38; C01B 39/42; C07C 1/00; C07C 6/12; C07C 15/02; C07C 67/00; C10G 45/64; C07C 15/00; C10G 45/58.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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