US2216247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp terminal structure and method of manufacture
Assignee: General Electric Co
•
Filing: 1940-05-28
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Granted: 1940-10-01
•
Expires: 1960-05-28
Abstract
No abstract record available.
Inventors
- 👤 Ledig Wily
- 👤 Trebbin Georg
- 👤 Seffert Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:02
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/50; H01J5/54; H01J5/20; H01J5/22; H01J5/24; H01J2893/00; H01J2893/0033; H01J2893/0037; H01J2893/0038; H01J2893/0039
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-10-01 | 1944-04-01 | 1944-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-01 | 1948-04-01 | 1948-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-01 | 1952-04-01 | 1952-10-01 | $7700.00 | Window Closed / Lapsed |