Patent US871942A successfully refreshed from Google Patents.
US871942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buffing-machine.
Assignee: Manufacturers Machine Co
•
Filing: 1905-02-03
•
Granted: 1907-11-26
•
Expires: 1925-02-03
Abstract
No abstract record available.
Inventors
- 👤 John E Leavitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:04
CPC Classifications
B; B24; B24D; B24D9/00; B24D9/02
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) | 1910-11-25 | 1911-05-27 | 1911-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-11-25 | 1915-05-27 | 1915-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-11-25 | 1919-05-27 | 1919-11-26 | $7700.00 | Window Closed / Lapsed |