Building units and construction elements – Prefabricated unit – Closure
Patent
1982-09-29
1984-10-02
Word, A. Hugo
Building units and construction elements
Prefabricated unit
Closure
Patent
active
D02757974
REFERENCES:
patent: D212289 (1968-09-01), Ensign
patent: D234431 (1975-03-01), McGehee et al.
patent: D261433 (1981-10-01), Sugano
patent: D261434 (1981-10-01), Sugano
Japanese Design Registration No. 284485 registered on 5/14/68.
Japanese Design-of-Similarity No. 1 to Registration No. 284485 registered on Jul. 8, 1968.
Japanese Design-of-Similarity No. 2 to Registration No. 284485 registered on 2/15/72.
Japanese Design-of-Similarity No. 3 to Registration No. 284483 registered on 11/16/76.
Japanese Design Registration No. 370024 registered on 3/4/75.
Tokyo Shibaura Denki Kabushiki Kaisha
Word A. Hugo
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