US108271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in the manufacture of blacking
Assignee: —
•
Filing: —
•
Granted: 1870-10-11
•
Expires: 1887-10-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:26
CPC Classifications
B; B43; B43K; B43K19/00; B43K19/02
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) | 1873-10-10 | 1874-04-11 | 1874-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1877-10-10 | 1878-04-11 | 1878-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1881-10-10 | 1882-04-11 | 1882-10-11 | $7700.00 | Window Closed / Lapsed |