US3237362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural unit for supporting loads and resisting stresses
Assignee: Individual
•
Filing: 1961-07-11
•
Granted: 1966-03-01
•
Expires: 1981-07-11
Abstract
No abstract record available.
Inventors
- 👤 Howard A Fromson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:02
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/30; E04C2/00; E04C2/30; E04C2/34; E04C3/38; Y; Y10; Y10S; Y10S52/00; Y10S52/10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12389; Y10T428/16; Y10T428/163; Y10T428/164; Y10T428/24; Y10T428/24479; Y10T428/24562; Y10T428/29; Y10T428/2913; Y10T428/2973; Y10T428/2976
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A STRUCTURAL UNIT FOR SUPPORTING LOADS AND RESISTING STRESSES COMPRISING A TUBULAR MEMBER IN THE FORM OF A CHAIN OF INTEGRALLY INTERCONNECTED HOLLOW TETRAHEDRONS, AND TIE MEANS EXTENDING BETWEEN AND CONNECTED TO SAID TETRAHEDRONS FOR RENDERING SAID UNIT RIGID AGAINST RELATIVE MOVEMENTS OF SAID TETRAHEDRONS.
Claim 2
Dependent Claim
45 words
A STRUCTURAL UNIT FOR SUPPORTING LOADS AND RESISTING STRESSES COMPRISING A TUBULAR MEMBER IN THE FORM OF A CHAIN OF INTEGRALLY INTERCONNECTED HOLLOW TETRAHEDRONS, AND TIE MEANS EXTENDING BETWEEN AND CONNECTED TO SAID TETRAHEDRONS FOR RENDERING SAID UNIT RIGID AGAINST RELATIVE MOVEMENTS OF SAID TETRAHEDRONS.
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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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |