US39139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved fabric for roofing
Assignee: —
•
Filing: —
•
Granted: 1863-07-07
•
Expires: 1880-07-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:03
CPC Classifications
B; B05; B05C; B05C3/00; B05C3/02; B05C3/12; B05C3/125
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) | 1866-07-06 | 1867-01-05 | 1867-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1870-07-06 | 1871-01-05 | 1871-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1874-07-06 | 1875-01-05 | 1875-07-07 | $7700.00 | Window Closed / Lapsed |