US41648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in the mode of manufacturing wadding
Assignee: —
•
Filing: —
•
Granted: 1864-02-16
•
Expires: 1881-02-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:59
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1727
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) | 1867-02-15 | 1867-08-17 | 1868-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1871-02-15 | 1871-08-17 | 1872-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1875-02-15 | 1875-08-17 | 1876-02-16 | $7700.00 | Window Closed / Lapsed |