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Official data from INPI

ELEVADOR A POLIA DE TRAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8606310

Type

Invention Patent

Filing

12/19/1986

Publication

01/12/1988

Progress at the INPI

  1. Filing12/19/86
  2. Publication01/12/88
  3. Examination04/18/89
  4. Allowance03/12/91
  5. Grant09/24/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kone Elevator GmbH

CH

See this company's full portfolio

Inventors

U. H. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

862293 · 05/29/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/18/1989

RPI 965

Publicação do pedido de patente

#3.1

01/12/1988

RPI 899

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Carta-patente expirada

#21.1

Patente extinta em 19/12/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

09/24/1991

RPI 1086

Notificação para pagamento de retribuição

#13.1

06/25/1991

RPI 1073

Republicação - classificação IPC

#15.11

05/14/1991

RPI 1067

Deferimento

#9.1

03/12/1991

RPI 1058

Exigência - art. 36 da LPI

#6.1

09/18/1990

RPI 1033

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