Patent US3196813A successfully refreshed from Google Patents.
US3196813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bomb shelter
Assignee: Individual
•
Filing: 1962-03-29
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Granted: 1965-07-27
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Expires: 1982-03-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas A Mchugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:11
CPC Classifications
A; A62; A62B; A62B13/00; E; E04; E04H; E04H9/00; E04H9/04; E04H9/10; E04H9/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A BOMB SHELTER COMPRISING A FLOOR, AN UPRIGHT ANNULAR WALL CONSISTING OF A THIN SHELL ON SAID FLOOR, A ROOF EXTENDING ACROSS SAID ANNULAR WALL AT A POINT REMOTE FROM SAID FLOOR, FIRST AND SECOND PIPES SUPPORTED BY SAID FLOOR, THE WEIGHT OF SAID ROOF BEING SUPPORTED BY SAID PIPES, EACH PIPE PROVIDING COMMUNICATION BETWEEN THE ATMOS-
Claim 2
Dependent Claim
57 words
A BOMB SHELTER COMPRISING A FLOOR, AN UPRIGHT ANNULAR WALL CONSISTING OF A THIN SHELL ON SAID FLOOR, A ROOF EXTENDING ACROSS SAID ANNULAR WALL AT A POINT REMOTE FROM SAID FLOOR, FIRST AND SECOND PIPES SUPPORTED BY SAID FLOOR, THE WEIGHT OF SAID ROOF BEING SUPPORTED BY SAID PIPES, EACH PIPE PROVIDING COMMUNICATION BETWEEN THE ATMOS-
References Cited (Backward Citations)
US2616529A
Cited
FR1017902A
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DE892511C
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US3090162A
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US2720862A
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US2955549A
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US3038565A
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US2871802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |