Collection box with sealed and statically charged mail chute

Details Collection box with sealed and statically charged mail chute Collection box with sealed and statically charged mail chute

2005-07-19

2005-07-19

Miller, William L. (Department: 3677)

Deposit and collection receptacles

Closures and chutes

Letter box

C232S045000, C193S008000

Reexamination Certificate

active

06918534

ABSTRACT:
A system and method for substantially eliminating the release of pathogen agents circulating in the air within a collection box. The mail deposit openings (12, 14) of a collection box mail chute (16) are adapted with gaskets (18, 20) to form an airtight seal when the mail chute (16) is opened and closed, thereby isolating the collection box interior (26). An alternative embodiment can further include a charging device (32) and a chargeable material (34) to attract and detain airborne and free pathogen particles that enter the mail chute passage (22) either by newly deposited mail pieces (38) or airborne pathogen particles that migrated from within the collection box collection area (26).

REFERENCES:
patent: 560477 (1896-05-01), Cook
patent: 3254215 (1966-05-01), Oliphant
patent: 3935517 (1976-01-01), O'Brien
patent: 4363438 (1982-12-01), Connor
patent: 6199244 (2001-03-01), Hilgers et al.
patent: 6299061 (2001-10-01), Henson
patent: 6359246 (2002-03-01), Essig et al.
patent: 6399157 (2002-06-01), Zaretsky
Brown, S. C.Basic Data of Plasma Physics(1961). Cambridge, MA: MIT Press, pp. 268-274.
Triboelectric Series at http://www.amasci.com/emotor/tribo.txt. Retrieved Apr. 10, 2003.
U.S. Appl. No. 60/372,467, filed Apr. 12, 2002. Title: Collection Box with Sealed and Statically Charged Mail Chute. Applicants: Patrick J. Fitzgibbons et al.

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