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Official data from INPI

ALIMENTADOR DO TIPO DE PA ROTATIVA EM ESPIRAL

ConcedidaInvention Patent

Application data

Number

PI8207819

Type

Invention Patent

Filing

08/10/1981

Publication

07/19/1983

Progress at the INPI

  1. Filing08/10/81
  2. Publication07/19/83
  3. Examination03/19/85
  4. Allowance05/13/86
  5. Grant11/25/86
  6. Terminated04/18/95

The patent was granted on 11/25/1986 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: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UFI ENG & MFG [US]

Inventors

M. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

09/02/1986

RPI 828

Deferimento

#9.1

05/13/1986

RPI 812

Exigência - art. 36 da LPI

#6.1

10/01/1985

RPI 780

Solicitação de exame técnico

#4.1

03/19/1985

RPI 752

Notificação de entrada na fase nacional - PCT

#1.3

07/19/1983

RPI 665

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

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