Patent US10744A successfully refreshed from Google Patents.
US10744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill foe
Assignee: —
•
Filing: —
•
Granted: 1854-04-04
•
Expires: 1871-04-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:50
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/02; B23B2251/00; B23B2251/46; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/899
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) | 1857-04-03 | 1857-10-03 | 1858-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1861-04-03 | 1861-10-03 | 1862-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1865-04-03 | 1865-10-03 | 1866-04-04 | $7700.00 | Window Closed / Lapsed |