Patent US44823A successfully refreshed from Google Patents.
US44823A
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US
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Improvement in mode of securing bits in braces
Assignee: —
•
Filing: —
•
Granted: 1864-10-25
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Expires: 1881-10-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:41
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/107; B23B31/1071; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17803
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) | 1867-10-25 | 1868-04-25 | 1868-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1871-10-25 | 1872-04-25 | 1872-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1875-10-25 | 1876-04-25 | 1876-10-25 | $7700.00 | Window Closed / Lapsed |