Patent US18977A successfully refreshed from Google Patents.
US18977A
Expired / Lapsed
US
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Device for throwing into and out of gkear the tool of mortising-machines
Assignee: —
•
Filing: —
•
Granted: 1857-12-29
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Expires: 1874-12-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:59
CPC Classifications
B; B27; B27F; B27F5/00; B27F5/02; B27F5/10; Y; Y10; Y10T; Y10T408/00; Y10T408/34; Y10T408/356; Y10T408/65; Y10T408/675; Y10T408/6793
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) | 1860-12-28 | 1861-06-29 | 1861-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1864-12-28 | 1865-06-29 | 1865-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1868-12-28 | 1869-06-29 | 1869-12-29 | $7700.00 | Window Closed / Lapsed |