Patent US3215108A successfully refreshed from Google Patents.
US3215108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flotation and structural units and building structures
Assignee: Individual
•
Filing: 1964-06-25
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Granted: 1965-11-02
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Expires: 1984-06-25
Abstract
No abstract record available.
Inventors
- 👤 Roger H Otis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:33
CPC Classifications
B; B63; B63B; B63B35/00; B63B35/44; B63B2035/4426; Y; Y02; Y02A; Y02A30/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
92 words
A BUILDING STRUCTURE INCLUDING: A PLURALITY OF BUOYANT MODULES, EACH OF SAID MODULES COMPRISING A SUBSTANCE OF LOW SPECIFIC GRAVITY AND A RIGID FRAME EMBEDDED IN SAID SUBSTANCE; MEANS CONNECTING FRAMES OF ADJACENT MODULES WHEREBY SAID MODULES ARE RIGIDLY CONNECTED TOGETHER TO FORM A RIGID STRUCTURE; VERTICAL COLUMNS SECURED TO SAID FRAMES AND EXTENDING ABOVE SAID MODULES; A ROOF MOUNTED ON THE UPPER ENDS OF SAID COLUMNS, SOME OF SAID COLUMNS EXTENDING DOWNWARDLY BELOW SAID MODULES; AND BRACING MEANS CONNECTING THE LOWER ENDS OF SAID SOME OF SAID COLUMNS BELOW SAID MODULES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |