US2468381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray spot film tunnel
Assignee: KELLEY KOETT Manufacturing Co
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Filing: 1946-03-04
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Granted: 1949-04-26
•
Expires: 1966-03-04
Abstract
No abstract record available.
Inventors
- 👤 Sussin David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:11
CPC Classifications
G; G03; G03B; G03B42/00; G03B42/02; G03B42/025
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) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |