IP Library › Granted Patent US D478,825
Granted Patent Design
US D478,825 · Confirmation No. 8371

CARBON DIOXIDE INDICATING APPARATUS

Inventor: Leroy D. Geist
Patented Case View Patent ↗
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2017-01-23 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2014-05-27 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-05-27 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
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2014-05-07 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2002-10-08 TRNA Transmittal of New Application 2 View
2002-10-08 SPEC Specification 1 View
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2002-10-08 OATH Oath or Declaration filed 1 View
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Quick Facts
Patent No.
US D478,825
App. No.
29/168,771
Filed
2002-10-08
Granted
2003-08-26
Art Unit
2913
PTA
0 days