US2496112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray tube
Assignee: Hartford National Bank and Trust Co
•
Filing: 1946-04-18
•
Granted: 1950-01-31
•
Expires: 1966-04-18
Abstract
No abstract record available.
Inventors
- 👤 Tuuk Jacob Harmannus Van Der
- 👤 Smit Johannes Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:15
CPC Classifications
H; H01; H01J; H01J35/00; H01J35/24; H01J35/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1211092A
Cited
US1949347A
Cited
DE591005C
Cited
US2081789A
Cited
US2075146A
Cited
GB501253A
Cited
US2222549A
Cited
US2205297A
Cited
US2229152A
Cited
US2341483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |