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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6101980

Type

Utility Model

Filing

05/25/1981

Publication

04/13/1982

Progress at the INPI

  1. Filing05/25/81
  2. Publication04/13/82
  3. Examination01/17/84
  4. Allowance11/01/88
  5. Grant07/25/89
  6. Expired11/22/94

The letters patent expired on 11/22/1994: 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

01/17/1989

RPI 952

100

11/01/1988

RPI 941

15.10

08/09/1988

RPI 929

120

02/17/1988

RPI 904

Petição de recurso

#12.2

03/11/1986

RPI 803

Indeferimento

#9.2

11/12/1985

RPI 786

Conhecimento de parecer técnico

#7.1

01/08/1985

RPI 742

Solicitação de exame técnico

#4.1

01/17/1984

RPI 691

Notificação de entrada na fase nacional - PCT

#1.3

04/13/1982

RPI 599

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

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