US3159117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylindrical bombshelter
Assignee: Individual
•
Filing: 1961-09-05
•
Granted: 1964-12-01
•
Expires: 1981-09-05
Abstract
No abstract record available.
Inventors
- 👤 Morton M Rosenfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:21
CPC Classifications
E; E04; E04H; E04H9/00; E04H9/04; E04H9/10; E04H9/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A BOMBSHELTER COMPRISING A FIRST CYLINDRICAL SHELL, A SECOND CYLINDRICAL SHELL, SAID SECOND CYLINDRICAL SHELL BEING SMALLER IN DIAMETER THAN SAID FIRST CYLINDRICAL SHELL, THE LONGITUDINAL AXIS OF SAID SECOND SHELL BEING SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID FIRST SHELL, MEANS PROVIDING COMMUNICATION BETWEEN SAID SHELLS, A FLOOR IN ONE OF SAID SHELLS, A WASTE DISPOSAL CHAMBER BELOW AND PARTIALLY DEFINED BY SAID FLOOR IN SAID ONE SHELL, AN INLET MEANS SUPPORTED BY SAID FLOOR AND SELECTIVELY PROVIDING COMMUNICATION BETWEEN SAID CHAMBER AND THE SPACE WITHIN THE SHELL THEREABOVE, SAID INLET MEANS COMPRISING A PIPE, AND THREADS ON ONE END OF SAID PIPE ABOVE THE PLANE OF SAID FLOOR FOR ALTERNATIVELY RECEIVING AN IMPERFORATE CAP AND A FUNNEL-SHAPED MEMBER.
Claim 2
Dependent Claim
121 words
A BOMBSHELTER COMPRISING A FIRST CYLINDRICAL SHELL, A SECOND CYLINDRICAL SHELL, SAID SECOND CYLINDRICAL SHELL BEING SMALLER IN DIAMETER THAN SAID FIRST CYLINDRICAL SHELL, THE LONGITUDINAL AXIS OF SAID SECOND SHELL BEING SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID FIRST SHELL, MEANS PROVIDING COMMUNICATION BETWEEN SAID SHELLS, A FLOOR IN ONE OF SAID SHELLS, A WASTE DISPOSAL CHAMBER BELOW AND PARTIALLY DEFINED BY SAID FLOOR IN SAID ONE SHELL, AN INLET MEANS SUPPORTED BY SAID FLOOR AND SELECTIVELY PROVIDING COMMUNICATION BETWEEN SAID CHAMBER AND THE SPACE WITHIN THE SHELL THEREABOVE, SAID INLET MEANS COMPRISING A PIPE, AND THREADS ON ONE END OF SAID PIPE ABOVE THE PLANE OF SAID FLOOR FOR ALTERNATIVELY RECEIVING AN IMPERFORATE CAP AND A FUNNEL-SHAPED MEMBER.
References Cited (Backward Citations)
US251767A
Cited
US423006A
Cited
US1301977A
Cited
US1709701A
Cited
FR829312A
Cited
US2397184A
Cited
CH287262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |