Description
Class F21H : INCANDESCENT MANTLES; OTHER INCANDESCENT BODIES HEATED BY COMBUSTION
Subclass 3/00: Manufacturing incandescent mantles; Treatment prior to use, e.g. burning-off; Machines for manufacturing
F21H 3/00
Sub-Class
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 0 Total Patent Owners
- 10 TOTAL INVENTORS
Recent Patents
Not Available
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 0 Months (last 2 years Issuances)
- 0 Months (last 5 years Issuances)