US2714293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Defrosting systems for household refrigerators and the like
Assignee: Seeger Refrigerator Co
•
Filing: 1952-02-21
•
Granted: 1955-08-02
•
Expires: 1972-02-21
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Duncan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:59
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2612026A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-01 | 1959-01-31 | 1959-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-01 | 1963-01-31 | 1963-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-01 | 1967-01-31 | 1967-08-02 | $7700.00 | Window Closed / Lapsed |