US4128104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ring structure
Assignee: Individual
•
Filing: 1977-12-19
•
Granted: 1978-12-05
•
Expires: 1997-12-19
Abstract
Abstract A structural framework composed of at least five intersected ring members providing a dome-shaped configuration over which a covering may be applied. A particular manner of ring member intersection is employed to make the structure self-supporting and to enable the ring members to be positioned with respect to one another to provide other geometric configurations.
Inventors
- 👤 Bernard S. Corey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:18
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/32; E04H15/34; E04H15/36; E04H15/40
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
72 words
A structure composed of a plurality of ring members at least five in number, each ring member extending over and under at least four other ring members in a manner such that each ring extends, in sequence, over and under a first ring member, over a second ring member, under a third ring member, over and under a fourth ring member, over the third ring member, and under the second ring member.
Claim 2
Dependent Claim
72 words
A structure composed of a plurality of ring members at least five in number, each ring member extending over and under at least four other ring members in a manner such that each ring extends, in sequence, over and under a first ring member, over a second ring member, under a third ring member, over and under a fourth ring member, over the third ring member, and under the second ring member.
Claim 3
Dependent Claim
26 words
The structure of claim 1 wherein said ring members are positioned with respect to one another such that the structure is dome-shaped with a raised apex.
Claim 4
Dependent Claim
16 words
The structure of claim 2 wherein six ring members are provided to provide a hexagonal configuration.
References Cited (Backward Citations)
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US820716A
Cited
US2548966A
Cited
US2956806A
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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) | 1981-12-04 | 1982-06-05 | 1982-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-04 | 1986-06-05 | 1986-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-04 | 1990-06-05 | 1990-12-05 | $7700.00 | Window Closed / Lapsed |