Patent US143904A successfully refreshed from Google Patents.
US143904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in registering attachments for printing-presses
Assignee: —
•
Filing: —
•
Granted: 1873-10-21
•
Expires: 1890-10-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:07
CPC Classifications
G; G03; G03F; G03F9/00; B; B41; B41F; B41F15/00; B41F15/08; B41F15/10
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) | 1876-10-20 | 1877-04-21 | 1877-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1880-10-20 | 1881-04-21 | 1881-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1884-10-20 | 1885-04-21 | 1885-10-21 | $7700.00 | Window Closed / Lapsed |