US2614403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold freezing apparatus
Assignee: Individual
•
Filing: 1949-10-18
•
Granted: 1952-10-21
•
Expires: 1969-10-18
Abstract
No abstract record available.
Inventors
- 👤 Walter E Heise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:49
CPC Classifications
A; A23; A23G; A23G7/00; A23G7/02; A23G9/00; A23G9/04; A23G9/08; A23G9/10; A23G9/22; A23G9/26
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) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |