US3093098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door structure for bomb shelter
Assignee: Individual
•
Filing: 1961-11-24
•
Granted: 1963-06-11
•
Expires: 1981-11-24
Abstract
No abstract record available.
Inventors
- 👤 Morton M Rosenfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:29
CPC Classifications
E; E06; E06B; E06B5/00; E06B5/10; E06B5/12; E06B5/18; Y; Y10; Y10S; Y10S454/00; Y10S454/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A SHELTER COMPRISING AN ENCLOSURE, VENTILATION MEANS ON A WALL OF SAID ENCLOSURE, SAID VENTILATION MEANS INCLUDING AN INNERMOST AND OUTERMOST DOOR IN SERIES WITH EACH OTHER, A DOOR FRAME, SAID INNERMOST AND OUTERMOST DOORS BEING MOUNTED ONE BEHIND THE OTHER IN SAID DOOR FRAME, THE OUTERMOST DOOR BEING MOUNTED SO THAT AIR MAY FLOW AROUND THE EDGE THEREOF ADJACENT THE DOOR FRAME, SEALING MEANS BETWEEN THE INNERMOST DOOR AND THE DOOR FRAME, SAID INNERMOST DOOR HAVING AN OPENING THERETHROUGH, AN
Claim 2
Dependent Claim
81 words
A SHELTER COMPRISING AN ENCLOSURE, VENTILATION MEANS ON A WALL OF SAID ENCLOSURE, SAID VENTILATION MEANS INCLUDING AN INNERMOST AND OUTERMOST DOOR IN SERIES WITH EACH OTHER, A DOOR FRAME, SAID INNERMOST AND OUTERMOST DOORS BEING MOUNTED ONE BEHIND THE OTHER IN SAID DOOR FRAME, THE OUTERMOST DOOR BEING MOUNTED SO THAT AIR MAY FLOW AROUND THE EDGE THEREOF ADJACENT THE DOOR FRAME, SEALING MEANS BETWEEN THE INNERMOST DOOR AND THE DOOR FRAME, SAID INNERMOST DOOR HAVING AN OPENING THERETHROUGH, AN
References Cited (Backward Citations)
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Cited
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Cited
US2537896A
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Cited
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Cited
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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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |