US2796529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation shield
Assignee: Individual
•
Filing: 1948-08-23
•
Granted: 1957-06-18
•
Expires: 1968-08-23
Abstract
No abstract record available.
Inventors
- 👤 Morrison Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:47
CPC Classifications
G; G21; G21F; G21F1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1312937A
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US1165920A
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US1368094A
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US1703416A
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US2206634A
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CH233011A
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CH233278A
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FR861390A
Cited
US2355559A
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US2372607A
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US2400477A
Cited
US2439374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |