Patent US4071830A successfully refreshed from Google Patents.
US2498379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerator
Assignee: JUNE SEARS WHITE
•
Filing: 1946-05-11
•
Granted: 1950-02-21
•
Expires: 1966-05-11
Abstract
No abstract record available.
Inventors
- 👤 Sears Edward Oneal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:48
CPC Classifications
F; F25; F25B; F25B39/00; F25B39/02; F25B2339/00; F25B2339/02; F25B2339/023
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US865803A
Cited
US1663481A
Cited
US1817498A
Cited
US1879241A
Cited
US1824158A
Cited
US2124110A
Cited
US2276811A
Cited
US2281207A
Cited
US2377557A
Cited
US2416015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |