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Official data from INPI

LAJE PARA PAVIMENTACAO

ConcedidaInvention Patent
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Application data

Number

PI8107133

Type

Invention Patent

Filing

11/06/1980

Publication

07/20/1982
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Progress at the INPI

  1. Filing11/06/80
  2. Publication07/20/82
  3. Examination
  4. Allowance
  5. Grant12/29/87
  6. In force11/06/00

The patent was granted on 12/29/1987 and is in force until 11/06/2000. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:11/06/2000

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Latest action published by the INPI: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PIRELLI [IT]

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Inventors

A. C. (pessoa física)

D. P. (pessoa física)

Technical data

IPC Classification

E04C 2/46

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Arquivamento - Art. 33 da LPI

#11.1

09/24/1985

RPI 779

Publicação do pedido de patente

#3.1

07/20/1982

RPI 613

Pedido de patente depositado

#2.1

12/22/1981

RPI 583

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