Ground mail notification system

Deposit and collection receptacles – Letter boxes – Signals

Reexamination Certificate

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Details

C340S569000

Reexamination Certificate

active

11500781

ABSTRACT:
A mail sensor system that includes a sensor located in a mailbox that is sensitive to weight and which generates a signal when mail is placed in the mailbox. The system further includes a receiver located in a car that generates a signal upon receipt of a signal from the sensor in the mailbox. A companion sensor can be located in a house associated with the mailbox.

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patent: 5023595 (1991-06-01), Bennett
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patent: 6275154 (2001-08-01), Bennett et al.
patent: 6462659 (2002-10-01), Schuette
patent: 6995671 (2006-02-01), Dutta et al.
patent: 2002/0024438 (2002-02-01), Roberson
patent: 2006/0113368 (2006-06-01), Dudley

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