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Official data from INPI

APERFEICOAMENTO EM ENCERADEIRAS

Em AnáliseInvention Patent

Application data

Number

PI7601986

Type

Invention Patent

Filing

03/31/1976

Publication

-

Progress at the INPI

  1. Filing03/31/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/22/83
  6. Expired08/03/93

The letters patent expired on 08/03/1993: 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: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. B. (pessoa física)

Inventors

C. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

07/29/1986

RPI 823

Concessão da patente

#16.1

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

09/14/1982

RPI 621

110

05/25/1982

RPI 605

120

10/06/1981

RPI 572

Carta-patente expirada

#21.1

08/03/1993

RPI 1183

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