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Official data from INPI

LATEX DE POLIMEROS VINILICOS E PROCESSO DE PREPARACAO DOS LATICES

Concessão AnuladaInvention Patent
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Application data

Number

PI7804957

Type

Invention Patent

Filing

08/03/1977

Publication

-
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Progress at the INPI

  1. Filing08/03/77
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/28/84
  6. Terminated01/28/92

The patent was granted on 02/28/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/15/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. I. (pessoa física)

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Inventors

D. J. (pessoa física)

J. N. (pessoa física)

Technical data

IPC Classification

C08F 2/22

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

05/15/1984

RPI 708

Concessão da patente

#16.1

02/28/1984

RPI 697

9.1.3

10/11/1983

RPI 677

Exigência - art. 36 da LPI

#6.1

02/01/1983

RPI 641

6.2

10/13/1981

RPI 573

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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