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Official data from INPI

PROCESSO PARA FACILITAR A MOLDACAO QUENTE DE PVC OU COPOLIMEROS CONSISTINDO PREPONDERANTEMENTE DE CLORETO VINILICO

ConcedidaInvention Patent

Application data

Number

PI7706290

Type

Invention Patent

Filing

09/21/1977

Publication

-

Progress at the INPI

  1. Filing09/21/77
  2. Publication
  3. Examination
  4. Allowance12/06/83
  5. Grant05/29/84
  6. Terminated10/23/90

The patent was granted on 05/29/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/29/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NEYNABER CHEMIE GMBH

Inventors

W. P. (pessoa física)

W. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

03/27/1984

RPI 701

Deferimento

#9.1

12/06/1983

RPI 685

Conhecimento de parecer técnico

#7.1

11/03/1982

RPI 628

Exigência - art. 36 da LPI

#6.1

12/22/1981

RPI 583

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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