(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

MATERIAL COMPOSTO ESTRATIFICADO

ConcedidaInvention Patent

Application data

Number

PI8405638

Type

Invention Patent

Filing

11/06/1984

Publication

09/10/1985

Progress at the INPI

  1. Filing11/06/84
  2. Publication09/10/85
  3. Examination04/28/87
  4. Allowance11/08/88
  5. Grant09/26/89
  6. Terminated05/14/96

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Glyco Ag

DE

See this company's full portfolio

Inventors

D. H. (pessoa física)

DE

K. W. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 33 43 309.7 · 11/30/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

02/28/1989

RPI 958

Deferimento

#9.1

11/08/1988

RPI 942

Solicitação de exame técnico

#4.1

04/28/1987

RPI 862

Publicação do pedido de patente

#3.1

09/10/1985

RPI 777

Pedido de patente depositado

#2.1

01/22/1985

RPI 744

Anuidade - prazo legal encerrado

#18.2

05/14/1996

RPI 1328

20.11

04/28/1992

RPI 1117

20.4

03/03/1992

RPI 1109

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.