US3256440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for protection against radioactive fallout
Assignee: Individual
•
Filing: 1961-12-20
•
Granted: 1966-06-14
•
Expires: 1981-12-20
Abstract
No abstract record available.
Inventors
- 👤 Stark Virgil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:46
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/005; B62; B62D; B62D55/00; B62D55/06; G; G21; G21F; G21F3/00; G21F3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
208 words
A DEVICE FOR PROTECTION AGAINST GAMMA RADIATION EMANATING FROM RADIOACTIVE NUCLEAR FALLOUT WHICH COMPRISES TOP AND BOTTOM RIGID PLATES, A PLURALITY OF RECTANGULAR SHEETS OF SUBSTANTIALLY RIGID MATERIAL CONNECTED TO EACH OTHER ALONG THEIR LENGTHS AND TO SAID RIGID PLATES SO AS TO FORM INTERMEDIATE SIDE WALLS AND A SUBSTANTIALLY CLOSED INTERIOR WITH SAID RIGID PLATES, THE INTERCONNECTIONS BETWEEN SAID RIGID SHEETS BEING IN THE FORM OF METALLIC REINFORCING LINKS ADAPTED TO PERMIT HINGED MOVEMENT OF SAID RIGID SHEETS TOWARDS AND AWAY FROM EACH OTHER, THE ENDS OF SAID LINKS BEING MOUNTED IN MOVABLE JOINTS IN WHICH THE LINKS ARE FREE TO ROTATE WITH ALTERNATE PAIRS OF THE ENDS OF SAID LINKS BEING FIXED AGAINST HORIZONTAL MOVEMENT TOWARDS AND AWAY FROM EACH OTHER, A PORTION OF THE INTERIOR SURFACES OF SAID RECTANGULAR SHEETS ADJACENT SAID MOVABLE JOINTS BEING ATTACHED TO A SHEET OF FLEXIBLE MATERIAL WHEREBY THE OPENINGS BETWEEN SAID MOVABLE JOINTS AND THE WIDTHS OF SAID RECTANGULAR SHEETS ARE CLOSED OFF BY SAID FLEXIBLE MATERIAL, MEANS POSITIONED IN ONE OF SAID RIGID PLATES FOR FILLING THE CLOSED INTERIOR WITH A FLOWABLE MATERIAL WHEREBY SAID RIGID PLATES MAY BE STORED IN COLLAPSED POSITION AND EXTENDED APART WHEN FILLED WITH FLOWABLE MATERIAL TO PROVIDE BARRIER SHIELDING AGAINST GAMMA RADIATION.
Claim 2
Independent Claim
208 words
A DEVICE FOR PROTECTION AGAINST GAMMA RADIATION EMANATING FROM RADIOACTIVE NUCLEAR FALLOUT WHICH COMPRISES TOP AND BOTTOM RIGID PLATES, A PLURALITY OF RECTANGULAR SHEETS OF SUBSTANTIALLY RIGID MATERIAL CONNECTED TO EACH OTHER ALONG THEIR LENGTHS AND TO SAID RIGID PLATES SO AS TO FORM INTERMEDIATE SIDE WALLS AND A SUBSTANTIALLY CLOSED INTERIOR WITH SAID RIGID PLATES, THE INTERCONNECTIONS BETWEEN SAID RIGID SHEETS BEING IN THE FORM OF METALLIC REINFORCING LINKS ADAPTED TO PERMIT HINGED MOVEMENT OF SAID RIGID SHEETS TOWARDS AND AWAY FROM EACH OTHER, THE ENDS OF SAID LINKS BEING MOUNTED IN MOVABLE JOINTS IN WHICH THE LINKS ARE FREE TO ROTATE WITH ALTERNATE PAIRS OF THE ENDS OF SAID LINKS BEING FIXED AGAINST HORIZONTAL MOVEMENT TOWARDS AND AWAY FROM EACH OTHER, A PORTION OF THE INTERIOR SURFACES OF SAID RECTANGULAR SHEETS ADJACENT SAID MOVABLE JOINTS BEING ATTACHED TO A SHEET OF FLEXIBLE MATERIAL WHEREBY THE OPENINGS BETWEEN SAID MOVABLE JOINTS AND THE WIDTHS OF SAID RECTANGULAR SHEETS ARE CLOSED OFF BY SAID FLEXIBLE MATERIAL, MEANS POSITIONED IN ONE OF SAID RIGID PLATES FOR FILLING THE CLOSED INTERIOR WITH A FLOWABLE MATERIAL WHEREBY SAID RIGID PLATES MAY BE STORED IN COLLAPSED POSITION AND EXTENDED APART WHEN FILLED WITH FLOWABLE MATERIAL TO PROVIDE BARRIER SHIELDING AGAINST GAMMA RADIATION.
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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) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |