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Official data from INPI

COMPOSIÇÃO E PROCESSO PARA PRODUZIR UM ELASTÔMERO CURADO E ELASTÔMERO CURADO ASSIM OBTIDO.

Em ExigênciaInvention Patent

Application data

Number

PI8205622

Type

Invention Patent

Filing

09/27/1982

Publication

08/30/1983

Progress at the INPI

  1. Filing09/27/82
  2. Publication08/30/83
  3. Examination10/08/85
  4. Allowance06/12/90
  5. Grant11/27/90
  6. Terminated07/18/95

The patent was granted on 11/27/1990 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

C. R. (pessoa física)

US

G. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

310.025 · 10/13/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

03/29/1988

RPI 910

6.2

01/13/1987

RPI 847

Solicitação de exame técnico

#4.1

10/08/1985

RPI 781

Publicação do pedido de patente

#3.1

08/30/1983

RPI 671

Pedido de patente depositado

#2.1

11/16/1982

RPI 630

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

09/25/1990

RPI 1034

Deferimento

#9.1

06/12/1990

RPI 1022

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