US2607199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cooling and conveying material
Assignee: Simpson Herbert Corp
•
Filing: 1947-08-07
•
Granted: 1952-08-19
•
Expires: 1967-08-07
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:01
CPC Classifications
B; B22; B22C; B22C5/00; B22C5/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US495359A
Cited
US584988A
Cited
US871931A
Cited
US984188A
Cited
US1179202A
Cited
US1139091A
Cited
US1205323A
Cited
US1469993A
Cited
US1542057A
Cited
US1899495A
Cited
US2020034A
Cited
US2305811A
Cited
US2261560A
Cited
US2264610A
Cited
US2278701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |