Patent US4944A successfully refreshed from Google Patents.
US4944A
Expired / Lapsed
US
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Smut-machine
Assignee: —
•
Filing: —
•
Granted: 1847-01-26
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Expires: 1864-01-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:23
CPC Classifications
B; B02; B02B; B02B3/00; B02B3/08
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) | 1850-01-25 | 1850-07-27 | 1851-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1854-01-25 | 1854-07-27 | 1855-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1858-01-25 | 1858-07-27 | 1859-01-26 | $7700.00 | Window Closed / Lapsed |