US3045121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray protective shields
Assignee: Individual
•
Filing: 1959-04-07
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Granted: 1962-07-17
•
Expires: 1979-04-07
Abstract
No abstract record available.
Inventors
- 👤 Charles W Leguillon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:51
CPC Classifications
G; G21; G21F; G21F3/00; G21F3/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
IN AN X-RAY SHIELD, AN X-RAY BARRIER COMPRISING A RELATIVELY THICK PLASTIC SHEET HAVING UNIFORMLY DISPERSED THERETHROUGH FINELY DIVIDED METALLIC LEAD PARTICLES, EACH OF THE FINELY DIVIDED METALLIC LEAD PARTICLES BEING COATED WITH A PROTECTIVE WAXY FILM TO EXCLUDE AIR FROM THE SURFACES OF THE METALLIC LEAD PARTICLES TO PREVENT OXIDATION OF THE METALLIC LEAD, WHEREBY THE UNIFORM DISPERSION IN THE PLASTIC SHEET OF THE PROTECTIVELY COATED FINELY DIVIDED METALLIC LEAD PARTICLES PROVIDES A HIGHLY EFFECTIVE SHIELDING
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) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |