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Official data from INPI

PROCESSO DE OBTER CALHAS ELASTICAMENTE CONTIDAS FORMANDO COBERTURAS E SEMELHANTES, E PRODUTO RESULTANTE

Em AnáliseInvention Patent

Application data

Number

PI7805402

Type

Invention Patent

Filing

08/21/1978

Publication

-

Progress at the INPI

  1. Filing08/21/78
  2. Publication
  3. Examination
  4. Allowance07/13/82
  5. Grant04/26/83
  6. Expired05/03/94

The letters patent expired on 05/03/1994: 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: 08/13/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. B. (pessoa física)

RJ, BR

Inventors

C. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

320

08/13/1985

RPI 773

300

05/21/1985

RPI 761

201

01/08/1985

RPI 742

Pedido de licença voluntária

#17.1

06/26/1984

RPI 714

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

10/13/1982

RPI 625

100

07/13/1982

RPI 612

Petição de recurso

#12.2

02/24/1982

RPI 592

Indeferimento

#9.2

11/10/1981

RPI 577

Carta-patente expirada

#21.1

05/03/1994

RPI 1222

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