US2841690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact pin and method for fluorescent lamps
Assignee: General Electric Co
•
Filing: 1954-12-28
•
Granted: 1958-07-01
•
Expires: 1974-12-28
Abstract
No abstract record available.
Inventors
- 👤 Robert A Kuebler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:04
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/50; H01J5/54; H01J5/62
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1657208A
Cited
US1878212A
Cited
US1970715A
Cited
DE589627C
Cited
US2200954A
Cited
US2279316A
Cited
US2293455A
Cited
US2522062A
Cited
US2434043A
Cited
US2438075A
Cited
US2680236A
Cited
US2749528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |