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Official data from INPI

FILME DE TRÊS CAMADAS FLEXÍVEL CO-EXTRUDADO, E SACO.

Em AnáliseInvention Patent

Application data

Number

PI8008423

Type

Invention Patent

Filing

12/22/1980

Publication

-

Progress at the INPI

  1. Filing12/22/80
  2. Publication
  3. Examination09/21/82
  4. Allowance08/20/85
  5. Grant04/29/86
  6. Terminated11/16/88

The patent was granted on 04/29/1986 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

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Inventors

A. J. (pessoa física)

F. W. (pessoa física)

H. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

108.281 · 12/28/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

16.3

07/29/1986

RPI 823

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/24/1985

RPI 792

Republicação - classificação IPC

#15.11

08/27/1985

RPI 775

Deferimento

#9.1

08/20/1985

RPI 774

Exigência - art. 36 da LPI

#6.1

01/22/1985

RPI 744

Exigência - art. 36 da LPI

#6.1

08/07/1984

RPI 720

Solicitação de exame técnico

#4.1

09/21/1982

RPI 622

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