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Official data from INPI

FOLHAS DE �LCOOIS POLIVINÍLICOS.

DeferidaInvention Patent

Application data

Number

PI8406660

Type

Invention Patent

Filing

12/21/1984

Publication

10/22/1985

Progress at the INPI

  1. Filing12/21/84
  2. Publication10/22/85
  3. Examination10/13/87
  4. Allowance10/31/89
  5. Grant04/24/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. A. (pessoa física)

DE

HT Troplast Ag.

DE

See this company's full portfolio

Inventors

D. B. (pessoa física)

DE

Technical data

Priority claims

DE

P 33 47 040.5 · 12/24/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/31/1989

RPI 993

Exigência - art. 36 da LPI

#6.1

04/25/1989

RPI 966

Exigência - art. 36 da LPI

#6.1

10/18/1988

RPI 939

Solicitação de exame técnico

#4.1

10/13/1987

RPI 886

Publicação do pedido de patente

#3.1

10/22/1985

RPI 783

Pedido de patente depositado

#2.1

03/12/1985

RPI 751

Carta-patente expirada

#21.1

Patente extinta em 21/12/99

07/08/2008

RPI 1957

Pedido de licença compulsória

#20.1

09/12/1995

RPI 1293

20.4

09/05/1995

RPI 1292

Concessão da patente

#16.1

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

03/06/1990

RPI 1008

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