Patent US2748239A successfully refreshed from Google Patents.
US2748239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Domestic appliance
Assignee: Motors Liquidation Co
•
Filing: 1952-09-05
•
Granted: 1956-05-29
•
Expires: 1972-09-05
Abstract
No abstract record available.
Inventors
- 👤 George B Long
- 👤 James M Valentine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:20
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/74; H05B6/745; H05B6/6402; H05B6/642; H05B6/76; H05B6/766
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1431719A
Cited
US2490076A
Cited
US2599033A
Cited
US2561517A
Cited
US2526226A
Cited
US2618735A
Cited
FR946923A
Cited
US2566553A
Cited
FR982334A
Cited
US2632090A
Cited
FR979577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |