US3485000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dome structure and method for building the same
Assignee: GEORGES P FIQUET
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Filing: 1967-12-01
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Granted: 1969-12-23
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Expires: 1987-12-01
Abstract
Abstract A dome structure made of superposed concentric rings composed of adjacent segments. The superposed segments are interconnected by extended flanges forming hooks having a substantially quadrilateral section. The adjacent segments are joined together with a plate engaging apertures or projections of the segments.
Inventors
- 👤 Georges P Fiquet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:06
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/32; E04B1/3211; E04B2001/327; E04B2001/3276; E04B2001/3288
Claims Analysis
Total Claims: 0
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US3365855A
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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) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |