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Official data from INPI

APERFEICOAMENTOS EM COMPOSICAO DE RESINAS DE POLIESTER NAO SATURADO E PROCESSO DE PRODUCAO DA MESMA

ConcedidaInvention Patent
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Application data

Number

PI7904997

Type

Invention Patent

Filing

08/08/1978

Publication

-
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Progress at the INPI

  1. Filing08/08/78
  2. Publication
  3. Examination06/15/82
  4. Allowance11/01/88
  5. Grant07/25/89
  6. Expired04/18/95

The letters patent expired on 04/18/1995: 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SCOTT BADER CO

Inventors

R. R. (pessoa física)

Technical data

IPC Classification

C08F 283/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

Exigência - art. 36 da LPI

#6.1

08/18/1987

RPI 878

Exigência - art. 36 da LPI

#6.1

01/08/1985

RPI 742

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

06/15/1982

RPI 608

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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