US3421046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push-pull electron beam positioning system
Assignee: Unisys Corp
•
Filing: 1966-09-02
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Granted: 1969-01-07
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Expires: 1986-09-02
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Eychaner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:39
CPC Classifications
H; H03; H03M; H03M1/00; G; G09; G09G; G09G1/00; G09G1/04; H01; H01J; H01J29/00; H01J29/46; H01J29/54; H03K; H03K4/00; H03K4/02; H03K4/026; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/22; H03M1/12; H03M1/22
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) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |