US2455366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice tray and slip surface flexible grid
Assignee: Copeman Laboratories Co
•
Filing: 1942-11-05
•
Granted: 1948-12-07
•
Expires: 1962-11-05
Abstract
No abstract record available.
Inventors
- 👤 Harley Y Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:52
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/22; F25C1/24; F25C1/246
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2035543A
Cited
US2004519A
Cited
US2135022A
Cited
US2155592A
Cited
US2191263A
Cited
US2303938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-07 | 1952-06-07 | 1952-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-07 | 1956-06-07 | 1956-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-07 | 1960-06-07 | 1960-12-07 | $7700.00 | Window Closed / Lapsed |