US157068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in machines for coating paper with emery, glass
Assignee: —
•
Filing: —
•
Granted: 1874-11-24
•
Expires: 1891-11-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:28
CPC Classifications
B; B05; B05C; B05C19/00; B05C19/001
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) | 1877-11-23 | 1878-05-25 | 1878-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1881-11-23 | 1882-05-25 | 1882-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1885-11-23 | 1886-05-25 | 1886-11-24 | $7700.00 | Window Closed / Lapsed |