Mail container with contaminant indicator

Details Mail container with contaminant indicator Mail container with contaminant indicator

2005-03-15

2005-03-15

Pascua, Jes F. (Department: 3727)

Envelopes, wrappers, and paperboard boxes

Envelope

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Reexamination Certificate

active

06866184

ABSTRACT:
A mail container with a contaminant indicator mechanism in the form of a perimeter edge viewing window is provided for verifying that a mail item received does not contain a biological hazard in the form of a loose particulate such as powders, granules, and the like. In order to attract the attention of the mail recipient that particulate matter may be contained in a mail container, an area having a quantity of clear, adhesive on only a portion of one or more of the transparent perimeter edge viewing windows so that the mail recipient or delivery person could immediately identify the existence of particulate matter contamination.

REFERENCES:
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patent: 705470 (1902-07-01), Starmer
patent: 1041827 (1912-10-01), MacNaughton
patent: 1201519 (1916-10-01), Sorensen
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patent: 4711347 (1987-12-01), Drexler et al.
patent: 4729506 (1988-03-01), Neubauer
patent: 5894986 (1999-04-01), Lederman et al.
patent: 6029883 (2000-02-01), Hechinger et al.
patent: 20342 (1891-11-01), None

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