US3025424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric lamp
Assignee: General Electric Co
•
Filing: 1958-06-16
•
Granted: 1962-03-13
•
Expires: 1978-06-16
Abstract
No abstract record available.
Inventors
- 👤 Emmett H Wiley
- 👤 Elmer G Fridrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:16
CPC Classifications
H; H01; H01K; H01K7/00; H01K7/02; H01K1/00; H01K1/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA525671A
Cited
US1646442A
Cited
US1793398A
Cited
US2060584A
Cited
US1947243A
Cited
US2467710A
Cited
US2617062A
Cited
FR1091341A
Cited
US2912610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |