US2526241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode seal for glass furnaces
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1948-05-12
•
Granted: 1950-10-17
•
Expires: 1968-05-12
Abstract
No abstract record available.
Inventors
- 👤 Burthe Pierre Henri La
- 👤 Lambert Roger Emile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:09
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/02; H05B3/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US469454A
Cited
US573041A
Cited
US601366A
Cited
US760057A
Cited
US836155A
Cited
US871338A
Cited
US908407A
Cited
US1201224A
Cited
US1267317A
Cited
US1332795A
Cited
US1417303A
Cited
US1637052A
Cited
US1542716A
Cited
US1820248A
Cited
GB383608A
Cited
US1897973A
Cited
US1889516A
Cited
US1905534A
Cited
US2061090A
Cited
US2122469A
Cited
US2159361A
Cited
US2244267A
Cited
US2209515A
Cited
US2215982A
Cited
US2243096A
Cited
US2250155A
Cited
US2405236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |