Patent US3124053A successfully refreshed from Google Patents.
US3124053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fallout shelter
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:15
CPC Classifications
A; A62; A62B; A62B13/00; Y; Y10; Y10S; Y10S454/00; Y10S454/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN A FALLOUT SHELTER HAVING AN OUTLET STACK COMMUNICATING WITH THE UPPER END THEREOF AND INCLUDING A LENGTH OF VERTICAL PIPE EXTENDING INTO THE ATMOSPHERE, AN ASSEMBLY DETACHABLY CONNECTED WITH THE OUTER END OF SAID PIPE INCLUDING A COLLAR FOR CONNECTION WITH THE PIPE, UPWARDLY EXTENDING BRACKET ARMS SECURED TO THE COLLAR, A PROTECTING HOOD SECURED TO THE BRACKET ARMS AND EXTENDING OVER THE OUTLET END OF THE PIPE IN SPACED RELATION THERETO, A CAP CARRIED BY SAID BRACKET ARMS INCLUDING AN ANNULAR PLATE DETACHABLY FITTED ON THE EXTREME UPPER END OF THE PIPE, A LIGHTWEIGHT VALVE PLATE NORMALLY SEATED ON THE UPPER END OF SAID ANNULAR PLATE FOR PREVENTING FLOW OF AIR INTO THE PIPE, SAID VALVE PLATE BEING FREELY MOVABLE OFF OF THE ANNULAR PLATE BY PRESSURE OF AIR IN SAID PIPE, AND MEANS FOR LIMITING THE MOVEMENT OF SAID VALVE PLATE IN AN UPWARD DIRECTION.
Claim 2
Dependent Claim
148 words
IN A FALLOUT SHELTER HAVING AN OUTLET STACK COMMUNICATING WITH THE UPPER END THEREOF AND INCLUDING A LENGTH OF VERTICAL PIPE EXTENDING INTO THE ATMOSPHERE, AN ASSEMBLY DETACHABLY CONNECTED WITH THE OUTER END OF SAID PIPE INCLUDING A COLLAR FOR CONNECTION WITH THE PIPE, UPWARDLY EXTENDING BRACKET ARMS SECURED TO THE COLLAR, A PROTECTING HOOD SECURED TO THE BRACKET ARMS AND EXTENDING OVER THE OUTLET END OF THE PIPE IN SPACED RELATION THERETO, A CAP CARRIED BY SAID BRACKET ARMS INCLUDING AN ANNULAR PLATE DETACHABLY FITTED ON THE EXTREME UPPER END OF THE PIPE, A LIGHTWEIGHT VALVE PLATE NORMALLY SEATED ON THE UPPER END OF SAID ANNULAR PLATE FOR PREVENTING FLOW OF AIR INTO THE PIPE, SAID VALVE PLATE BEING FREELY MOVABLE OFF OF THE ANNULAR PLATE BY PRESSURE OF AIR IN SAID PIPE, AND MEANS FOR LIMITING THE MOVEMENT OF SAID VALVE PLATE IN AN UPWARD DIRECTION.
References Cited (Backward Citations)
CH304751A
Cited
US3059565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |