US2924736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric lamp and method of manufacture
Assignee: General Electric Co
•
Filing: 1956-06-27
•
Granted: 1960-02-09
•
Expires: 1976-06-27
Abstract
No abstract record available.
Inventors
- 👤 William E Kotsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:52
CPC Classifications
H; H01; H01K; H01K3/00; H01K3/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US263011A
Cited
US686218A
Cited
US805282A
Cited
US1247068A
Cited
US1569216A
Cited
US1722176A
Cited
US1871366A
Cited
US1745181A
Cited
US2351530A
Cited
US2300997A
Cited
US2447158A
Cited
US2496303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |