US2718973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable refrigerating container
Assignee: Individual
•
Filing: 1952-04-26
•
Granted: 1955-09-27
•
Expires: 1972-04-26
Abstract
No abstract record available.
Inventors
- 👤 Thure W Dahl
- 👤 Harold C Dahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:33
CPC Classifications
A; A47; A47J; A47J41/00; A47J41/0083; A47J41/0088; F; F25; F25D; F25D3/00; F25D3/02; F25D3/06; F25D3/08; F25D31/00; F25D31/006; F25D31/007; A47J43/00; A47J43/04; A47J43/07; A47J2043/0738; A47J41/0005; A47J41/0038; F25D2303/00; F25D2303/08; F25D2303/081; F25D2303/084; F25D2303/0841; F25D2303/0843; F25D2303/0845; F25D2331/00; F25D2331/80; F25D2331/803
Claims Analysis
Total Claims: 0
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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) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |