US2624025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas discharge tube with movable electrode
Assignee: International Standard Electric Corp
•
Filing: 1948-11-09
•
Granted: 1952-12-30
•
Expires: 1968-11-09
Abstract
No abstract record available.
Inventors
- 👤 Deloraine Edmond Maurice
- 👤 Reeves Alec Harley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:40
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/38; H01J17/40; H01J17/02; H01J17/30; H01J61/00; H01J61/02; H01J61/54; H01J2893/00; H01J2893/0064; H01J2893/0065; H01J2893/0067
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |