US2599402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ore-washing apparatus
Assignee: Individual
•
Filing: 1950-06-05
•
Granted: 1952-06-03
•
Expires: 1970-06-05
Abstract
No abstract record available.
Inventors
- 👤 Roy B Lindsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:19
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/48; B03B5/56
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |