US2688236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice cube tray combination
Assignee: Copeman Laboratories Co
•
Filing: 1950-11-24
•
Granted: 1954-09-07
•
Expires: 1970-11-24
Abstract
No abstract record available.
Inventors
- 👤 Lloyd G Copeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:22
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)
US1939445A
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US2031812A
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US2147495A
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US2426515A
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US2286693A
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US2233148A
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US2303938A
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US2378845A
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US2455366A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-06 | 1958-03-08 | 1958-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-06 | 1962-03-08 | 1962-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-06 | 1966-03-08 | 1966-09-07 | $7700.00 | Window Closed / Lapsed |