Patent US1489591A successfully refreshed from Google Patents.
US1489591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holding device for coils
Assignee: I R NELSON CO
•
Filing: 1921-10-04
•
Granted: 1924-04-08
•
Expires: 1941-10-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Catlett
- 👤 Edward F Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:49
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/16; B21C47/18; B21C47/28; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/14; B65H75/143
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1927-04-08 | 1927-10-08 | 1928-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-04-08 | 1931-10-08 | 1932-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-04-08 | 1935-10-08 | 1936-04-08 | $7700.00 | Window Closed / Lapsed |