US2876385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matrix glow tube indicator
Assignee: Unisys Corp
•
Filing: 1955-12-28
•
Granted: 1959-03-03
•
Expires: 1975-12-28
Abstract
No abstract record available.
Inventors
- 👤 Leo R Landrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:38
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/38; H01J17/48; H01J17/49; H01J17/491
Claims Analysis
Total Claims: 0
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US2767350A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |