US32111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making roofing-cloth
Assignee: —
•
Filing: —
•
Granted: 1861-04-23
•
Expires: 1878-04-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:56
CPC Classifications
B; B32; B32B; B32B37/00; B32B37/12; B32B37/1284; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1727; Y10T156/1732
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) | 1864-04-22 | 1864-10-22 | 1865-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1868-04-22 | 1868-10-22 | 1869-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1872-04-22 | 1872-10-22 | 1873-04-23 | $7700.00 | Window Closed / Lapsed |