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Official data from INPI

APERFEIÇOADO SINCROFAZEADOR DE PROPULSOR

Em AnáliseInvention Patent

Application data

Number

PI8604680

Type

Invention Patent

Filing

09/29/1986

Publication

06/16/1987

Progress at the INPI

  1. Filing09/29/86
  2. Publication06/16/87
  3. Examination08/08/89
  4. Allowance11/06/90
  5. Grant06/25/91
  6. Terminated10/03/95

The patent was granted on 06/25/1991 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: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

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Inventors

K. H. (pessoa física)

US

M. H. (pessoa física)

US

R. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

781.585 · 09/30/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/08/1989

RPI 981

Publicação do pedido de patente

#3.1

06/16/1987

RPI 869

Pedido de patente depositado

#2.1

03/24/1987

RPI 857

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

06/25/1991

RPI 1073

Notificação para pagamento de retribuição

#13.1

02/19/1991

RPI 1055

Deferimento

#9.1

11/06/1990

RPI 1040

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