US2520253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice upending machine
Assignee: SHIPPER S ICE Co
•
Filing: 1947-11-03
•
Granted: 1950-08-29
•
Expires: 1967-11-03
Abstract
No abstract record available.
Inventors
- 👤 David P Norris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:58
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/22; B65G47/24; B65G47/248; B65G47/252
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1366933A
Cited
US1623393A
Cited
US1869477A
Cited
US1859501A
Cited
US1859486A
Cited
US2238764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-28 | 1954-02-27 | 1954-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-28 | 1958-02-27 | 1958-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-28 | 1962-02-27 | 1962-08-29 | $7700.00 | Window Closed / Lapsed |