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Official data from INPI

JUNTA ESFERICA ELASTOMERICA

ConcedidaInvention Patent

Application data

Number

PI7903946

Type

Invention Patent

Filing

06/23/1978

Publication

-

Progress at the INPI

  1. Filing06/23/78
  2. Publication
  3. Examination04/20/82
  4. Allowance02/14/84
  5. Grant08/28/84
  6. Expired04/04/95

The letters patent expired on 04/04/1995: 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: 08/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GOULD INC

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Inventors

K. H. (pessoa física)

S. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

08/30/1983

RPI 671

14.1

03/01/1983

RPI 645

Solicitação de exame técnico

#4.1

04/20/1982

RPI 600

Carta-patente expirada

#21.1

04/04/1995

RPI 1270

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