Patent US6755A successfully refreshed from Google Patents.
US6755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Varying- the speed of mandrels in lathes
Assignee: —
•
Filing: —
•
Granted: 1849-10-02
•
Expires: 1866-10-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:19
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/12; B23Q5/14; B23Q5/142; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2552; Y10T82/2554
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1852-10-01 | 1853-04-02 | 1853-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1856-10-01 | 1857-04-02 | 1857-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1860-10-01 | 1861-04-02 | 1861-10-02 | $7700.00 | Window Closed / Lapsed |