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Official data from INPI

SISTEMA DE ESCADA ROLANTE

ConcedidaInvention Patent

Application data

Number

PI8405148

Type

Invention Patent

Filing

10/11/1984

Publication

08/27/1985

Progress at the INPI

  1. Filing10/11/84
  2. Publication08/27/85
  3. Examination01/28/86
  4. Allowance08/23/88
  5. Grant09/26/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kone Oy

FI

O & K Orenstein & Koppel Aktiengesellschaft

DE

See this company's full portfolio

Inventors

K. S. (pessoa física)

DE

P. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 33 37 611.5 · 10/15/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

12/13/1988

RPI 947

Deferimento

#9.1

08/23/1988

RPI 931

Exigência - art. 36 da LPI

#6.1

02/17/1988

RPI 904

Solicitação de exame técnico

#4.1

01/28/1986

RPI 797

Publicação do pedido de patente

#3.1

08/27/1985

RPI 775

Pedido de patente depositado

#2.1

12/26/1984

RPI 740

Carta-patente expirada

#21.1

Patente extinta em 11/10/99

07/08/2008

RPI 1957

Transferência deferida

#25.1

Transferido de: O&K Orenstein & Koppel Aktiengesellschaft

09/22/1998

RPI 1448

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