Patent US862341A successfully refreshed from Google Patents.
US862341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet-metal grinding and polishing machine.
Assignee: HARRY E SHELDON
•
Filing: 1905-03-08
•
Granted: 1907-08-06
•
Expires: 1925-03-08
Abstract
No abstract record available.
Inventors
- 👤 John E Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:27
CPC Classifications
B; B24; B24B; B24B19/00; B24B19/001; B24B19/002
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) | 1910-08-05 | 1911-02-04 | 1911-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-08-05 | 1915-02-04 | 1915-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-08-05 | 1919-02-04 | 1919-08-06 | $7700.00 | Window Closed / Lapsed |