IP Library › Patent Application 09701635
Patent Application Utility PCT National Stage
App. No. 09/701,635 · Confirmation No. 7937

THERMOCHROMIC COATING

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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2001-02-01 LET. Miscellaneous Incoming Letter 29 View
2001-02-01 LET. Miscellaneous Incoming Letter 29 View
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Quick Facts
App. No.
09/701,635
Filed
2001-02-01
Granted
2002-08-27
Art Unit
1753
PTA
0 days