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US2491224A
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Apparatus for laminography
Assignee: Picker X Ray Corp
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Filing: 1944-06-15
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Granted: 1949-12-13
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Expires: 1964-06-15
Abstract
No abstract record available.
Inventors
- 👤 Robert J Stava
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:12
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/44; A61B6/4476
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2156170A
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US2235143A
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US2353145A
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US1599395A
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US1827959A
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US2167114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |