IP Library › Granted Patent US D452,330
Granted Patent Design Small
US D452,330 · Confirmation No. 9994

Manhole shield retainer

Patented Case View Patent ↗
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 Code Description Pages PDF
2001-02-09 TRNA Transmittal of New Application 5 View
2001-02-09 SPEC Specification 2 View
2001-02-09 DRW Drawings-only black and white line drawings 1 View
2001-02-09 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US D452,330
App. No.
29/136,980
Filed
2001-02-09
Granted
2001-12-18
Art Unit
2914
PTA
0 days