US2941379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice making apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1957-06-05
•
Granted: 1960-06-21
•
Expires: 1977-06-05
Abstract
No abstract record available.
Inventors
- 👤 James K Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:24
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/10; F25C1/04; F25C2305/00; F25C2305/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2212424A
Cited
US2161321A
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US2435802A
Cited
US2717498A
Cited
US2863298A
Cited
US2808707A
Cited
US2912835A
Cited
US2833123A
Cited
US2869060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |