(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

Processo de atribuição de chamadas de andares registradas nos andares de um edifício a uma pluralidade de carros de elevadores que prestam serviço de elevador aos andares do edifício

PublicadaInvention Patent

Application data

Number

PI8901162

Type

Invention Patent

Filing

03/13/1989

Publication

10/31/1989

Progress at the INPI

  1. Filing03/13/89
  2. Publication10/31/89
  3. Examination11/12/91
  4. Allowance10/14/97
  5. Grant07/28/98
  6. Expired12/18/12

The letters patent expired on 12/18/2012: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Inventio Ag

CH

W. C. (pessoa física)

US

See this company's full portfolio

Inventors

E. A. (pessoa física)

US

R. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

169.210 · 03/16/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/31/1989

RPI 993

Pedido de patente depositado

#2.1

05/02/1989

RPI 967

Carta-patente expirada

#21.1

Patente extinta em 13/03/2009

12/18/2012

RPI 2189

Concessão da patente

#16.1

07/28/1998

RPI 1440

Deferimento

#9.1

10/14/1997

RPI 1402

14.1

05/24/1994

RPI 1225

Solicitação de exame técnico

#4.1

11/12/1991

RPI 1093

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.