Patent US959239A successfully refreshed from Google Patents.
US959239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of treating ores and carboniferous earths.
Assignee: L & S Syndicate Ltd
•
Filing: 1909-06-26
•
Granted: 1910-05-24
•
Expires: 1929-06-26
Abstract
No abstract record available.
Inventors
- 👤 Alfred Arthur Lockwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:40
CPC Classifications
B; B03; B03C; B03C1/00; B03C1/005; B03C1/01
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) | 1913-05-23 | 1913-11-22 | 1914-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-05-23 | 1917-11-22 | 1918-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-05-23 | 1921-11-22 | 1922-05-24 | $7700.00 | Window Closed / Lapsed |