Official data from INPI

Processo para glutinar finos de carvão.

ConcedidaInvention Patent

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Application data

Number

PI8001413

Type

Invention Patent

Filing

03/07/1980

Publication

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Progress at the INPI

Filing03/07/80
Publication
Examination
Allowance01/31/84
Grant09/25/84
Terminated02/04/92

The patent was granted on 09/25/1984 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: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Board Of Regents, The University Of Texas System

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Inventors

M. G. (pessoa física)

Technical data

IPC Classification

C22B 1/243

Priority claims

018.651 · 03/08/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

05/15/1984

RPI 708

Republicação - classificação IPC

#15.11

03/13/1984

RPI 699

Deferimento

#9.1

01/31/1984

RPI 693

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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