US2797553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Household refrigerator assembly
Assignee: Whirlpool Corp
•
Filing: 1955-03-23
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Granted: 1957-07-02
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Expires: 1975-03-23
Abstract
No abstract record available.
Inventors
- 👤 Ernest A Baillif
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:24
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/006; F25D21/00; F25D21/14; F25D23/003; F25D2321/00; F25D2321/14; F25D2321/144; F25D2321/1442; F25D2323/00; F25D2323/002; F25D2323/0021
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) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |