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Official data from INPI

POLIMERO PARA ESPUMA SEMI-FLEXIVEL E PROCESSO PARA EMBALAR ARTEFATOS FRAGEIS COM MATERIAL CELULAR

ConcedidaInvention Patent

Application data

Number

PI8104371

Type

Invention Patent

Filing

07/31/1980

Publication

03/23/1982

Progress at the INPI

  1. Filing07/31/80
  2. Publication03/23/82
  3. Examination01/31/84
  4. Allowance08/26/86
  5. Grant04/28/87
  6. Terminated02/04/92

The patent was granted on 04/28/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OLIN CORP [US]

See this company's full portfolio

Inventors

R. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/28/1987

RPI 862

Notificação para pagamento de retribuição

#13.1

12/09/1986

RPI 842

Deferimento

#9.1

08/26/1986

RPI 827

Exigência - art. 36 da LPI

#6.1

09/24/1985

RPI 779

Exigência - art. 36 da LPI

#6.1

11/20/1984

RPI 735

Solicitação de exame técnico

#4.1

01/31/1984

RPI 693

Publicação do pedido de patente

#3.1

03/23/1982

RPI 596

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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