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Official data from INPI

RECIPIENTE

ConcedidaUtility Model

Application data

Number

MU6101526

Type

Utility Model

Filing

10/29/1981

Publication

05/18/1982

Progress at the INPI

  1. Filing10/29/81
  2. Publication05/18/82
  3. Examination07/13/82
  4. Allowance09/18/84
  5. Grant05/28/85
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. C. (pessoa física)

Inventors

E. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

01/15/1985

RPI 743

Deferimento

#9.1

09/18/1984

RPI 726

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

Publicação antecipada

#3.2

05/18/1982

RPI 604

Pedido de patente depositado

#2.1

12/15/1981

RPI 582

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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