US2490494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerator cabinet
Assignee: Individual
•
Filing: 1947-04-11
•
Granted: 1949-12-06
•
Expires: 1967-04-11
Abstract
No abstract record available.
Inventors
- 👤 Erwin R Widman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:38
CPC Classifications
F; F25; F25D; F25D25/00; F25D25/02; F25D25/024; F25D25/025; F25C; F25C2400/00; F25C2400/10; F25D2400/00; F25D2400/08; F25D2400/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1726344A
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US2103683A
Cited
US2133951A
Cited
US2163182A
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US2133958A
Cited
US2318532A
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US2295113A
Cited
US2239484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |