Patent US2896124A successfully refreshed from Google Patents.
US2896124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaseous glow tube circuits
Assignee: Unisys Corp
•
Filing: 1957-11-25
•
Granted: 1959-07-21
•
Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Laurence R Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:06
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02M3/325; H02M3/335; H02M3/338; H05; H05B; H05B41/00; H05B41/14; H05B41/26; H05B41/28; H05B41/282; H05B41/2821
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2136924A
Cited
US2448169A
Cited
US2447304A
Cited
US2505667A
Cited
US2701309A
Cited
US2769939A
Cited
US2681996A
Cited
US2745012A
Cited
US2757243A
Cited
US2756366A
Cited
US2780767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |