Patent US2460801A successfully refreshed from Google Patents.
US2460801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for hindered settling classification
Assignee: Colorado Iron Works Co
•
Filing: 1944-04-21
•
Granted: 1949-02-08
•
Expires: 1964-04-21
Abstract
No abstract record available.
Inventors
- 👤 Edmund C Bitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:46
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/48; B03B5/52
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US996624A
Cited
US1292237A
Cited
US1790107A
Cited
US1881875A
Cited
US1990129A
Cited
US2174553A
Cited
US2288744A
Cited
US2315536A
Cited
US2277817A
Cited
US2352972A
Cited
US2302588A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-08 | 1952-08-09 | 1953-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-08 | 1956-08-09 | 1957-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-08 | 1960-08-09 | 1961-02-08 | $7700.00 | Window Closed / Lapsed |