Patent US2654043A successfully refreshed from Google Patents.
US2654043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Discharge lamp, method of operating, and method of making
Assignee: Westinghouse Electric Corp
•
Filing: 1948-02-27
•
Granted: 1953-09-29
•
Expires: 1968-02-27
Abstract
No abstract record available.
Inventors
- 👤 George A Freeman
- 👤 Jr Carl G Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:06
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/84; H01J61/90; H01J17/00; H01J61/02; H01J61/54; H01J61/547; H01J2893/00; H01J2893/0064
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1877932A
Cited
US2182732A
Cited
US2056641A
Cited
US1882609A
Cited
US1971944A
Cited
US1935697A
Cited
US2116429A
Cited
US2142047A
Cited
US2213796A
Cited
US2385397A
Cited
US2341541A
Cited
US2267318A
Cited
US2254909A
Cited
US2241968A
Cited
US2295626A
Cited
US2399222A
Cited
US2367595A
Cited
US2433218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |