US2514878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron discharge tube alignment means and method of aligning
Assignee: Hartford National Bank and Trust Co
•
Filing: 1948-05-07
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Granted: 1950-07-11
•
Expires: 1968-05-07
Abstract
No abstract record available.
Inventors
- 👤 Kuperus Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:07
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/86; H04; H04N; H04N5/00; H04N5/64; H04N5/645
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
AU2315635A
Cited
US2167431A
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US2189261A
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US2178826A
Cited
US2232098A
Cited
US2281637A
Cited
US2293529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |