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10/664,804 | 1768-42-3:
DEVICE INSTALLED AT A DITCH ON A ROAD, TO PREVENT BACK FLOW OF SEWAGE AND MALODOR
Public viewApplication #
10/664,804
Confirmation #
3476
Attorney Docket #
1768-42-3
Patent #
6,866,444
Issued - 03/15/2005
Filing or 371 (c) date
09/19/2003
Status
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 04/13/2009
Documents & transaction history
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