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Official data from INPI

POLIESTER,CONTENDO GRUPOS DE CARBOXILA,PROCESSO PARA SUA PRODUCAO E COMPOSICAO DE REVESTIMENTO AQUOSA CONTENDO POLIESTER

ConcedidaInvention Patent

Application data

Number

PI7803607

Type

Invention Patent

Filing

06/06/1977

Publication

-

Progress at the INPI

  1. Filing06/06/77
  2. Publication
  3. Examination
  4. Allowance12/07/82
  5. Grant06/28/83
  6. Expired11/30/93

The letters patent expired on 11/30/1993: 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: 06/28/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HERBERTS & CO GMBH

Inventors

P. H. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

05/17/1983

RPI 656

Deferimento

#9.1

12/07/1982

RPI 633

Exigência - art. 36 da LPI

#6.1

06/08/1982

RPI 607

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

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