US2739378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic lid lifter
Assignee: SWING A WAY Manufacturing Co
•
Filing: 1950-12-20
•
Granted: 1956-03-27
•
Expires: 1970-12-20
Abstract
No abstract record available.
Inventors
- 👤 Walter E Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:25
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/30; B67B7/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2474036A
Cited
GB538226A
Cited
US2265491A
Cited
US2385859A
Cited
US2369300A
Cited
US2437234A
Cited
US2573427A
Cited
US2489475A
Cited
US2503467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |