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Official data from INPI

APERFEICOAMENTO EM PROCESSO PARA SINTETIZAR UM POLIMERO DE EMULSAO;LATEX DE BORRACHA SINTETICO AQUOSO ESTAVEL;E SOLUCAO EMULSIFICANTE PARA POLIMERIZACAO DE EMULSAO

Concessão AnuladaInvention Patent

Application data

Number

PI7802380

Type

Invention Patent

Filing

04/22/1977

Publication

-

Progress at the INPI

  1. Filing04/22/77
  2. Publication
  3. Examination
  4. Allowance10/11/83
  5. Grant03/27/84
  6. Terminated09/18/90

The patent was granted on 03/27/1984 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: 06/19/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GOODYEAR TIRE & RUBBER

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Inventors

S. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

06/19/1984

RPI 713

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/24/1984

RPI 692

Deferimento

#9.1

10/11/1983

RPI 677

Exigência - art. 36 da LPI

#6.1

03/08/1983

RPI 646

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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