US43246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved roller-stand
Assignee: —
•
Filing: —
•
Granted: 1864-06-21
•
Expires: 1881-06-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:32
CPC Classifications
G; G06; G06Q; G06Q40/00; G06Q40/04; B; B21; B21B; B21B31/00; B21B31/16; B21B31/20; B21B31/22; B21B31/24; G06Q40/03; G06Q40/06
Claims Analysis
Total Claims: 0
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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) | 1867-06-21 | 1867-12-21 | 1868-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1871-06-21 | 1871-12-21 | 1872-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1875-06-21 | 1875-12-21 | 1876-06-21 | $7700.00 | Window Closed / Lapsed |