US2490535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerator
Assignee: ALBERT G MCCALEB
•
Filing: 1946-08-03
•
Granted: 1949-12-06
•
Expires: 1966-08-03
Abstract
No abstract record available.
Inventors
- 👤 Charles G Minor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:20
CPC Classifications
F; F25; F25D; F25D11/00; F25D11/02; F25D23/00; F25D23/02; F25D23/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1443858A
Cited
US2068550A
Cited
US2042384A
Cited
US2322439A
Cited
US2346287A
Cited
US2386929A
Cited
US2408460A
Cited
US2401613A
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 |