US2583388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conducting seal for high-pressure lamps
Assignee: General Electric Co
•
Filing: 1948-09-14
•
Granted: 1952-01-22
•
Expires: 1968-09-14
Abstract
No abstract record available.
Inventors
- 👤 Nelson Evan Herbert
- 👤 Power Ernest Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:15
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/32; Y; Y10; Y10T; Y10T403/00; Y10T403/21; Y10T403/213
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1159335A
Cited
US1558524A
Cited
US1639575A
Cited
US1909797A
Cited
US2116429A
Cited
GB476833A
Cited
US2177714A
Cited
GB520635A
Cited
US2409360A
Cited
US2409361A
Cited
US2504522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |