Diazo copy machine with ammonia fume eliminator

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4441803
SERIAL NO

06383489

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A diazo copier having an exposure section, an ammonia developer section, a copy degassing section, and an enclosed copy receptacle. To develop an exposed copy, it is contacted with ammonia vapors in the development section. The ammonia vapors absorbed by the copy material are released by heating the copy to an elevated temperature in the degassing section from which the copy is deposited in the enclosed receptacle. The released ammonia vapors are removed from the copy by circulating a stream of air through the receptacle and around the copy.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
NORTHWEST BLUEPRINT & SUPPLY COMPANY13450 FARMINGTON RD A CORP OF MI LIVONIA MI 48150

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pelis, Giovanni Bergamo, IT 1 2

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