US2438466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice cube freezing apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1943-11-08
•
Granted: 1948-03-23
•
Expires: 1963-11-08
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Tobey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:57
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1510147A
Cited
US1758567A
Cited
US2037417A
Cited
US2114642A
Cited
US1976147A
Cited
US2063208A
Cited
US2302044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-23 | 1951-09-22 | 1952-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-23 | 1955-09-22 | 1956-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-23 | 1959-09-22 | 1960-03-23 | $7700.00 | Window Closed / Lapsed |