Patent US2561277A successfully refreshed from Google Patents.
US2561277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice tray supporting assembly for refrigerators
Assignee: CALUMET AND HECLA CONS COPPER
•
Filing: 1948-08-02
•
Granted: 1951-07-17
•
Expires: 1968-08-02
Abstract
No abstract record available.
Inventors
- 👤 Walter P Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:05
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)
US2191659A
Cited
US2144690A
Cited
US2250557A
Cited
US2337089A
Cited
US2402921A
Cited
US2381667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |