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Official data from INPI

PROCESSO DE PRODUÇÃO DE UMA PELÍCULA DE POLIURETANA

ConcedidaInvention Patent

Application data

Number

PI7904364

Type

Invention Patent

Filing

07/09/1979

Publication

-

Progress at the INPI

  1. Filing07/09/79
  2. Publication
  3. Examination
  4. Allowance09/30/86
  5. Grant06/30/87
  6. Terminated07/27/93

The patent was granted on 06/30/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uniroyal Chemical Company, Inc.

US

See this company's full portfolio

Inventors

E. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

6.406 · 01/25/1979

US

924.105 · 07/12/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

03/04/1987

RPI 854

Deferimento

#9.1

09/30/1986

RPI 832

Exigência - art. 36 da LPI

#6.1

11/26/1985

RPI 788

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

Conhecimento de parecer técnico

#7.1

08/09/1983

RPI 668

6.2

04/06/1982

RPI 598

Anuidade - prazo legal encerrado

#18.2

07/27/1993

RPI 1182

Pedido de licença compulsória

#20.1

02/26/1991

RPI 1056

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