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Official data from INPI

APERFEICOAMENTO EM CONJUNTO SANITARIO PORTATIL

ConcedidaInvention Patent
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Application data

Number

PI7900963

Type

Invention Patent

Filing

04/03/1978

Publication

-
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Progress at the INPI

  1. Filing04/03/78
  2. Publication
  3. Examination01/12/82
  4. Allowance08/17/82
  5. Grant08/30/83
  6. Expired05/31/94

The letters patent expired on 05/31/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 08/30/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

THETFORD CORP

Inventors

A. J. (pessoa física)

L. E. (pessoa física)

S. F. (pessoa física)

Technical data

IPC Classification

B60R 15/02B61D 35/00B64D 11/02E03D 5/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1983

RPI 671

110

05/24/1983

RPI 657

Recurso

#12.1

01/11/1983

RPI 638

Deferimento

#9.1

08/17/1982

RPI 617

Solicitação de exame técnico

#4.1

01/12/1982

RPI 586

Carta-patente expirada

#21.1

05/31/1994

RPI 1226

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