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Official data from INPI

REVESTIMENTO AQUOSO ISENTO DE RESINA FENOLICA E PROCESSO PARA A PREPARACAO DO MESMO

ConcedidaInvention Patent
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Application data

Number

PI7705559

Type

Invention Patent

Filing

08/20/1976

Publication

-
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Progress at the INPI

  1. Filing08/20/76
  2. Publication
  3. Examination
  4. Allowance07/10/84
  5. Grant02/26/85
  6. Expired07/13/93

The letters patent expired on 07/13/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 02/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HERBERTS & CO GMBH

Inventors

P. H. (pessoa física)

Technical data

IPC Classification

C09D 191/00C09D 3/48C09D 5/40

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

07/10/1984

RPI 716

Exigência - art. 36 da LPI

#6.1

11/08/1983

RPI 681

Exigência - art. 36 da LPI

#6.1

02/16/1983

RPI 643

6.2

12/29/1981

RPI 584

Carta-patente expirada

#21.1

07/13/1993

RPI 1180

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