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Official data from INPI

COMPOSICOES ELASTOEMRAS DE EPICLORIDRINA

ConcedidaInvention Patent

Application data

Number

PI8008879

Type

Invention Patent

Filing

10/23/1979

Publication

-

Progress at the INPI

  1. Filing10/23/79
  2. Publication
  3. Examination06/28/83
  4. Allowance03/01/88
  5. Grant09/27/88
  6. Terminated08/09/94

The patent was granted on 09/27/1988 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MINNESOTA MINING & MFG

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Inventors

S. D. (pessoa física)

W. A. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

06/21/1988

RPI 922

Deferimento

#9.1

03/01/1988

RPI 906

Exigência - art. 36 da LPI

#6.1

12/11/1984

RPI 738

Conhecimento de parecer técnico

#7.1

02/21/1984

RPI 696

Solicitação de exame técnico

#4.1

06/28/1983

RPI 662

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

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