US2758449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Horizontal blower type refrigerated cabinet
Assignee: Whirlpool Corp
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Filing: 1955-02-18
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Granted: 1956-08-14
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Expires: 1975-02-18
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Wallenbrock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:06
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/14; F25D17/00; F25D17/04; F25D17/06; F25D17/062; F25D17/065; F25D2317/00; F25D2317/06; F25D2317/066; F25D2317/0665; F25D2317/068; F25D2317/0683; F25D2321/00; F25D2321/14; F25D2321/141; F25D2321/1411; F25D2400/00; F25D2400/10; F25D2700/00; F25D2700/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |