US2844008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice making apparatus
Assignee: Whirlpool Corp
•
Filing: 1954-09-15
•
Granted: 1958-07-22
•
Expires: 1974-09-15
Abstract
No abstract record available.
Inventors
- 👤 Ralph D Barton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:25
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2221694A
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US2259066A
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US2418572A
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US2407058A
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US2549747A
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US2593874A
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US2563093A
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US2682155A
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US2693680A
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US2747375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |