US194103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in wood-screw machines
Assignee: —
•
Filing: —
•
Granted: 1877-08-14
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Expires: 1894-08-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:45
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/22
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) | 1880-08-13 | 1881-02-12 | 1881-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1884-08-13 | 1885-02-12 | 1885-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1888-08-13 | 1889-02-12 | 1889-08-14 | $7700.00 | Window Closed / Lapsed |