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Official data from INPI

CORREIA TRAPEZOIDAL, PARTICULARMENTE PARA VARIADORES CONTÍNUOS DE VELOCIDADE

PublicadaInvention Patent

Application data

Number

PI8606585

Type

Invention Patent

Filing

12/22/1986

Publication

10/20/1987

Progress at the INPI

  1. Filing12/22/86
  2. Publication10/20/87
  3. Examination04/24/90
  4. Allowance09/15/92
  5. Grant03/30/93
  6. Terminated06/18/96

The patent was granted on 03/30/1993 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: 10/20/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Transmissioni Industriali SPA

IT

Inventors

C. F. (pessoa física)

IT

V. M. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

23.317 A/85 · 12/20/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/20/1987

RPI 887

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Anuidade - prazo legal encerrado

#18.2

06/18/1996

RPI 1333

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

02/02/1993

RPI 1157

Republicação - classificação IPC

#15.11

10/06/1992

RPI 1140

Deferimento

#9.1

09/15/1992

RPI 1137

Solicitação de exame técnico

#4.1

04/24/1990

RPI 1015

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