US2425259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of charging gas-expansion chambers of ice molds
Assignee: Individual
•
Filing: 1942-04-08
•
Granted: 1947-08-05
•
Expires: 1962-04-08
Abstract
No abstract record available.
Inventors
- 👤 Logan L Mallard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:50
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/22; F25C1/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-04 | 1951-02-03 | 1951-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-04 | 1955-02-03 | 1955-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-04 | 1959-02-03 | 1959-08-05 | $7700.00 | Window Closed / Lapsed |