US2699510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode-ray tube
Assignee: Hartford National Bank and Trust Co
•
Filing: 1952-01-29
•
Granted: 1955-01-11
•
Expires: 1972-01-29
Abstract
No abstract record available.
Inventors
- 👤 Smelt Jozefus Antonius Maria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:16
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/86; H01J29/88
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2151992A
Cited
US2162391A
Cited
US2222197A
Cited
US2223924A
Cited
US2254090A
Cited
US2376196A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-10 | 1958-07-12 | 1959-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-10 | 1962-07-12 | 1963-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-10 | 1966-07-12 | 1967-01-11 | $7700.00 | Window Closed / Lapsed |