Description
Class B21L : MAKING CHAINS
Subclass 5/00: Making chains or chain links by working the starting material in such a way that integral, i.e. jointless, chain links are formed
B21L 5/00
Sub-Class
Stats
- 2 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 2 Total Patent Owners
- 18 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 9027320 | Hollow ornaments and process for producing them | Jun 16, 13 | May 12, 15 | Not available |
| 9004556 | Master coupling link and assembly | May 19, 11 | Apr 14, 15 | HALL, MICHAEL A., THE ULVEN COMPANIES, |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 24 Months (last 2 years Issuances)
- 24 Months (last 5 years Issuances)