Universal Licensing System
57MK
Klein Tools, Inc
License details
| ULS identifier | 2619994 |
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| Call sign | 57MK |
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| Radio service | AC |
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| Status | T |
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| Grant date | 2014-03-18 |
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| Expiration | 2024-05-14 |
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| Cancellation | 2019-05-21 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:40:12 |
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Licensee
| Name | Klein Tools, Inc |
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| Applicant type | C |
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| FRN | 0010354231 |
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| Location | Lincolnshire, IL |
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| Address | 450 Bond St., Lincolnshire, IL, 606699804 |
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License history
| Date | File or call sign | Action |
|---|
| 2019-05-21 | 57MK | LITERM |
| 2014-03-18 | 57MK | LIREN |
| 2014-02-17 | 57MK | LETRES |
| 2004-12-22 | 57MK | LIAUA |
| 2004-05-14 | 57MK | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2619994 | 2026-08-02 01:40:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 57MK | ULS 2619994 | 2026-08-02 01:40:12 |
| Status | T | ULS 2619994 | 2026-08-02 01:40:12 |
| Service | AC | ULS 2619994 | 2026-08-02 01:40:12 |
| Grant Date | 2014-03-18 | ULS 2619994 | 2026-08-02 01:40:12 |
| Expiration Date | 2024-05-14 | ULS 2619994 | 2026-08-02 01:40:12 |
| Cancellation Date | 2019-05-21 | ULS 2619994 | 2026-08-02 01:40:12 |