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Official data from INPI

COMPOSICAO PARA REVESTIMENTO DE SUPERFICIES E SISTEMA SECATIVO PARA COMPOSICOES PARA REVESTIMENTO DE SUPERFICIES

ConcedidaInvention Patent

Application data

Number

PI7902525

Type

Invention Patent

Filing

04/28/1978

Publication

-

Progress at the INPI

  1. Filing04/28/78
  2. Publication
  3. Examination
  4. Allowance08/02/88
  5. Grant02/28/89
  6. Expired06/21/94

The letters patent expired on 06/21/1994: 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

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Inventors

F. M. (pessoa física)

L. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

Exigência - art. 36 da LPI

#6.1

11/24/1987

RPI 892

14.1

12/20/1983

RPI 687

Conhecimento de parecer técnico

#7.1

10/04/1983

RPI 676

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

Pedido de licença compulsória

#20.1

07/31/1990

RPI 1026

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