US2580360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray shield
Assignee: Individual
•
Filing: 1945-01-31
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Granted: 1951-12-25
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Expires: 1965-01-31
Abstract
No abstract record available.
Inventors
- 👤 Morrison Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:14
CPC Classifications
G; G21; G21F; G21F1/00; G21F1/02; G21F1/08; G21F1/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A SHIELD FOR SUBSTANTIALLY PREVENTING THE TRANSMISSION OF X-RAYS, GAMMA RAYS AND OTHER PENETRATING RADIATIONS, COMPRISING A URANIUM METAL BASE AND A COATING OF HEAVY METAL ON SAID BASE, SAID COATING CONSISTING OF NON-RADIOACTIVE ELEMENTS OF A DENSITY AT LEAST EQUAL TO THAT OF RED LEAD.
Claim 2
Dependent Claim
46 words
A SHIELD FOR SUBSTANTIALLY PREVENTING THE TRANSMISSION OF X-RAYS, GAMMA RAYS AND OTHER PENETRATING RADIATIONS, COMPRISING A URANIUM METAL BASE AND A COATING OF HEAVY METAL ON SAID BASE, SAID COATING CONSISTING OF NON-RADIOACTIVE ELEMENTS OF A DENSITY AT LEAST EQUAL TO THAT OF RED LEAD.
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) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |