US2741699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glow transfer trigger
Assignee: International Business Machines Corp
•
Filing: 1952-04-16
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Granted: 1956-04-10
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Expires: 1972-04-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:50
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/52; H01; H01J; H01J17/00; H01J17/38; H01J17/48; H03K3/00; H03K3/02; H03K3/37; H01J2893/00; H01J2893/007
Claims Analysis
Total Claims: 0
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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) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |