Official data from INPI

COMPOSICOES CURAVEIS DE VIDRO

Em AnáliseInvention Patent

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Application data

Number

PI7603020

Type

Invention Patent

Filing

05/13/1975

Publication

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Progress at the INPI

Filing05/13/75
Publication
Examination
Allowance
Grant03/09/82
Terminated05/14/85

The patent was granted on 03/09/1982 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: 05/14/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SMITH & NEPHEW RES

Inventors

B. A. (pessoa física)

D. R. (pessoa física)

P. R. (pessoa física)

P. W. (pessoa física)

Technical data

IPC Classification

C03C 12/00 C03C 3/08 C03C 3/30 C04B 28/00 C04B 28/28 C08K 3/00 C08K 3/40 C08L 33/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/14/1985

RPI 760

Cessão de direito de exploração

#22.1

11/06/1984

RPI 733

Concessão da patente

#16.1

03/09/1982

RPI 594

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PROCESSO PARA A PRODUCAO DE UM CIMENTO,COMPOSICAO CURAVEL,PROCESSO PARA PREPARAR COMPOSICOES CURAVEIS,VIDRO

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