Patent US3134020A successfully refreshed from Google Patents.
US3134020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation protective panels
Assignee: Individual
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Filing: 1961-01-24
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Granted: 1964-05-19
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Expires: 1981-01-24
Abstract
No abstract record available.
Inventors
- 👤 Shoenfeld Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:45
CPC Classifications
G; G21; G21F; G21F3/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49629
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
AN X-RAY SHIELD CONSTRUCTION COMPRISING AT LEAST A FIRST AND A SECOND PROTECTIVE PANEL, ECH CONSTRUCTED OF A FIRST AND A SECOND MATERIAL, SAID FIRST MATERIAL BEING RELATIVELY DENSE TO BLOCK THE PASSAGE OF X-RAYS, AND SAID SECOND MATERIAL BEING RELATIVELY STRONG TO SUPPORT SAID FIRST MATERIAL, SAID SECOND MATERIAL BEING RIBBED WHEREBY SAID SECOND MATERIAL WILL HAVE ADDED STRUCTURAL STRENGTH, SAID FIRST AND SAID SECOND PROTECTIVE PANELS VEING ANGULARLY DISPOSED, AND RADIATION PROOF JOINT MEANS CONNECTING CONFRONTING EDGES OF SAID FIRST AND SAID SECOND PROTECTIVE PANELS, SAID JOINT MEANS HAVING A FIRST LAYER OF DENSE MATERIAL PARTIALLY OVERLYING ONE SIDE OF SAID FIRST PROTECTIVE PANEL AND A SECOND LAYER OF DENSE MATERIAL PARTIALLY OVERLYING SAID OTHER SIDE OF SAID FIRST PROTECTIVE PANEL AND A THIRD LAYER OF DENSE MATERIAL PARTIALLY OVERLYING ONE SIDE OF SAID SECOND PROTECTIVE PANEL AND A FOURTH LAYER PARTIALLY OVERLYING SAID OTHER SIDE OF SAID SECOND PROTECTIVE PANEL.
Claim 2
Dependent Claim
153 words
AN X-RAY SHIELD CONSTRUCTION COMPRISING AT LEAST A FIRST AND A SECOND PROTECTIVE PANEL, ECH CONSTRUCTED OF A FIRST AND A SECOND MATERIAL, SAID FIRST MATERIAL BEING RELATIVELY DENSE TO BLOCK THE PASSAGE OF X-RAYS, AND SAID SECOND MATERIAL BEING RELATIVELY STRONG TO SUPPORT SAID FIRST MATERIAL, SAID SECOND MATERIAL BEING RIBBED WHEREBY SAID SECOND MATERIAL WILL HAVE ADDED STRUCTURAL STRENGTH, SAID FIRST AND SAID SECOND PROTECTIVE PANELS VEING ANGULARLY DISPOSED, AND RADIATION PROOF JOINT MEANS CONNECTING CONFRONTING EDGES OF SAID FIRST AND SAID SECOND PROTECTIVE PANELS, SAID JOINT MEANS HAVING A FIRST LAYER OF DENSE MATERIAL PARTIALLY OVERLYING ONE SIDE OF SAID FIRST PROTECTIVE PANEL AND A SECOND LAYER OF DENSE MATERIAL PARTIALLY OVERLYING SAID OTHER SIDE OF SAID FIRST PROTECTIVE PANEL AND A THIRD LAYER OF DENSE MATERIAL PARTIALLY OVERLYING ONE SIDE OF SAID SECOND PROTECTIVE PANEL AND A FOURTH LAYER PARTIALLY OVERLYING SAID OTHER SIDE OF SAID SECOND PROTECTIVE PANEL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |