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Official data from INPI

PROCESSO DE FABRICACAO DE CIMENTO DE ALUMINIO DE CALCIO

Em AnáliseInvention Patent
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Application data

Number

PI7601224

Type

Invention Patent

Filing

02/25/1976

Publication

-
View on INPI

Progress at the INPI

  1. Filing02/25/76
  2. Publication
  3. Examination
  4. Allowance11/10/81
  5. Grant08/31/82
  6. In force02/25/96

The patent was granted on 08/31/1982 and is in force until 02/25/1996. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:02/25/1996

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Latest action published by the INPI: 01/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. A. (pessoa física)

Inventors

C. A. (pessoa física)

Technical data

IPC Classification

C04B 7/32C04B 7/46C04B 7/52

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

311

01/31/1984

RPI 693

Pedido de licença voluntária

#17.1

10/25/1983

RPI 679

201

06/21/1983

RPI 661

Pedido de licença voluntária

#17.1

01/18/1983

RPI 639

22.0

12/14/1982

RPI 634

Concessão da patente

#16.1

08/31/1982

RPI 619

Notificação para pagamento de retribuição

#13.1

03/02/1982

RPI 593

Deferimento

#9.1

11/10/1981

RPI 577

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