Patent US2624013A successfully refreshed from Google Patents.
US2624013A
Expired / Lapsed
US
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X-ray therapy grid
Assignee: Individual
•
Filing: 1949-05-27
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Granted: 1952-12-30
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Expires: 1969-05-27
Abstract
No abstract record available.
Inventors
- 👤 Marks Hirsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:47
CPC Classifications
G; G21; G21K; G21K1/00; G21K1/02; G21K1/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1607140A
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US1580857A
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US1748403A
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US1929177A
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US2003752A
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US2145686A
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US2186203A
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US2216326A
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US2494664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |