US2492304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tandem x-ray tube stabilizer
Assignee: Westinghouse Electric Corp
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Filing: 1948-05-08
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Granted: 1949-12-27
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Expires: 1968-05-08
Abstract
No abstract record available.
Inventors
- 👤 Walter N Lundahl
- 👤 Robert L Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:35
CPC Classifications
H; H05; H05G; H05G1/00; H05G1/08; H05G1/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |