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Official data from INPI

MATERIAL DE CAVIDADE LATERAL

ConcedidaInvention Patent

Application data

Number

PI8300810

Type

Invention Patent

Filing

02/19/1982

Publication

11/16/1983

Progress at the INPI

  1. Filing02/19/82
  2. Publication11/16/83
  3. Examination02/07/84
  4. Allowance07/30/85
  5. Grant02/25/86
  6. Terminated04/18/95

The patent was granted on 02/25/1986 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: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OTIS ENG CO [US]

Inventors

F. W. (pessoa física)

L. R. (pessoa física)

M. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/25/1986

RPI 801

Notificação para pagamento de retribuição

#13.1

11/26/1985

RPI 788

Republicação - classificação IPC

#15.11

08/13/1985

RPI 773

Deferimento

#9.1

07/30/1985

RPI 771

Solicitação de exame técnico

#4.1

02/07/1984

RPI 694

Publicação do pedido de patente

#3.1

11/16/1983

RPI 682

Pedido de patente depositado

#2.1

04/05/1983

RPI 650

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

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