US2432111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace for reducing and distilling volatile metals
Assignee: Nitralloy Corp
•
Filing: 1944-07-03
•
Granted: 1947-12-09
•
Expires: 1964-07-03
Abstract
No abstract record available.
Inventors
- 👤 Loevenstein Hirsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:35
CPC Classifications
C; C22; C22B; C22B26/00; C22B26/20; C22B26/22; C22B5/00; C22B5/02; C22B5/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1308880A
Cited
US1306250A
Cited
GB189903734A
Cited
GB190017027A
Cited
US716008A
Cited
US933843A
Cited
US859137A
Cited
US949511A
Cited
US1064992A
Cited
US1006876A
Cited
US1156668A
Cited
US1146075A
Cited
US1242337A
Cited
US1496440A
Cited
US1295573A
Cited
US1379886A
Cited
US1412621A
Cited
US1566183A
Cited
GB391490A
Cited
US1949450A
Cited
US2164410A
Cited
US2109811A
Cited
US2118973A
Cited
US2165742A
Cited
GB484429A
Cited
US2159910A
Cited
US2219059A
Cited
US2282654A
Cited
US2255549A
Cited
US2208586A
Cited
US2249409A
Cited
US2355343A
Cited
US2357135A
Cited
US2351489A
Cited
US2353614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |