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Official data from INPI

COMPOSIÇÃO CIMENTOSA DE CONCRETO; MASSA DE CONCRETO; PROCESSO PARA PRODUZIR MATERIAL SÓLIDO

ArquivadaInvention Patent

Application data

Number

PI8200648

Type

Invention Patent

Filing

02/08/1982

Publication

12/14/1982

Progress at the INPI

  1. Filing02/08/82
  2. Publication12/14/82
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 02/08/1982 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/15/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. R. Grace & Co.

US

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Inventors

L. R. (pessoa física)

US

V. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

235.190 · 02/17/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

10/15/1985

RPI 782

Publicação do pedido de patente

#3.1

12/14/1982

RPI 634

Pedido de patente depositado

#2.1

03/30/1982

RPI 597

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C04B 13/22.

03/27/2018

RPI 2464

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