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Official data from INPI

MÉTODO DE NEUTRALIZAR RESÍDUOS ALCALINOS EM CIMENTO HIDRÁULICO

ArquivadaInvention Patent
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Application data

Number

PI8200179

Type

Invention Patent

Filing

01/14/1982

Publication

11/09/1982
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Progress at the INPI

  1. Filing01/14/82
  2. Publication11/09/82
  3. Abandoned04/17/84
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/01/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. C. (pessoa física)

US

Inventors

C. D. (pessoa física)

GB

Technical data

IPC Classification

C04B 7/00

Priority claims

GB

8101307 · 01/16/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/01/1987

RPI 880

Exigência - art. 36 da LPI

#6.1

02/24/1987

RPI 853

Exigência - art. 36 da LPI

#6.1

07/02/1985

RPI 767

Republicação - classificação IPC

#15.11

05/21/1985

RPI 761

Exigência - art. 36 da LPI

#6.1

12/18/1984

RPI 739

Solicitação de exame técnico

#4.1

04/17/1984

RPI 704

Publicação do pedido de patente

#3.1

11/09/1982

RPI 629

Pedido de patente depositado

#2.1

03/09/1982

RPI 594

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