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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI7408573

Type

Invention Patent

Filing

10/15/1974

Publication

-

Progress at the INPI

  1. Filing10/15/74
  2. Publication
  3. Examination
  4. Allowance
  5. Grant11/10/81
  6. In force10/15/94

The patent was granted on 11/10/1981 and is in force until 10/15/1994. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:10/15/1994

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Latest action published by the INPI: 11/10/1981. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/10/1981

RPI 577

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