US2715318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed system with reverse cycle defrosting
Assignee: Individual
•
Filing: 1950-04-05
•
Granted: 1955-08-16
•
Expires: 1970-04-05
Abstract
No abstract record available.
Inventors
- 👤 Millman Clinton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:38
CPC Classifications
F; F25; F25B; F25B47/00; F25B47/02; F25B47/022; F25B47/025; F25B41/00; F25B41/20; F25B41/26; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86726
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1619196A
Cited
US2375157A
Cited
US2342174A
Cited
US2351140A
Cited
US2433574A
Cited
US2324309A
Cited
US2395941A
Cited
US2446910A
Cited
US2381651A
Cited
US2509099A
Cited
US2556104A
Cited
US2548324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |