US2499545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary x-ray tube
Assignee: Hartford National Bank and Trust Co
•
Filing: 1946-04-15
•
Granted: 1950-03-07
•
Expires: 1966-04-15
Abstract
No abstract record available.
Inventors
- 👤 Tuuk Jacob Hermannus Van Der
- 👤 Combee Bart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:32
CPC Classifications
H; H01; H01J; H01J35/00; H01J35/24; H01J35/30; H01J35/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1203495A
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US1219961A
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US1310061A
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US2111412A
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AT127556B
Cited
DE671576C
Cited
US2090582A
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US2152363A
Cited
US2157718A
Cited
US2119679A
Cited
US2240120A
Cited
US2361897A
Cited
US2336769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |