US1462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in carding-machines for carding wool
Assignee: —
•
Filing: —
•
Granted: 1839-12-31
•
Expires: 1856-12-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:31
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/02; D01G15/12; D01G15/46; Y; Y10; Y10S; Y10S241/00; Y10S241/17
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) | 1842-12-30 | 1843-07-01 | 1843-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1846-12-30 | 1847-07-01 | 1847-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1850-12-30 | 1851-07-01 | 1851-12-31 | $7700.00 | Window Closed / Lapsed |