US3618277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hyperboloid buildings
Assignee: Individual
•
Filing: 1969-10-10
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Granted: 1971-11-09
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Expires: 1989-10-10
Abstract
Abstract A BUILDING COMPRISES OUTER AN INNER FRAMEWORKS HAVING VERTICAL AXES WHICH APPROXIMATELY COINCIDE, THE FRAMEWORKS BEING SPACED FROM ONE ANOTHER AND AT LEAST ONE IS GENERALLY HYPERBOLOIDAL, AND MODULAR MEANS INTERCONNECTS THE FRAMEWORKS AT DIFFERENT ELEVATIONS. NO SUPPORTING COLUMNS ARE REQUIRED, AND THE BUILDIN G IS EXTREMELY STABLE AND LENDS ITSELF TO EXTENSIVE USE OF PREFABRICATED STRUCTURAL ELEMENTS.
Inventors
- 👤 Terrance J Waters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:35
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/32; E04B1/34; E04B1/3404; E04B2001/3235; E04B2001/3241; E04B2001/3247; E04B2001/327; E04B2001/3276; E04B2001/3288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |