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Official data from INPI

TAMPAO DE FECHAMENTO PARA RECIPIENTES

Em AnáliseInvention Patent

Application data

Number

PI7800871

Type

Invention Patent

Filing

02/18/1977

Publication

-

Progress at the INPI

  1. Filing02/18/77
  2. Publication
  3. Examination
  4. Allowance07/12/83
  5. Grant01/31/84
  6. Terminated05/17/88

The patent was granted on 01/31/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMERICAN FLANGE & MFG

Inventors

B. W. (pessoa física)

D. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/08/1983

RPI 681

Republicação - classificação IPC

#15.11

07/26/1983

RPI 666

Deferimento

#9.1

07/12/1983

RPI 664

Exigência - art. 36 da LPI

#6.1

02/16/1983

RPI 643

Exigência - art. 36 da LPI

#6.1

12/15/1981

RPI 582

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