Patent US3371458A successfully refreshed from Google Patents.
US3371458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural unit
Assignee: Atlantic Research Corp
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Filing: 1966-06-30
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Granted: 1968-03-05
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Expires: 1986-06-30
Abstract
No abstract record available.
Inventors
- 👤 Lester G Sturgill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:23
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/02; E04H12/08; E04H12/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
217 words
A STRUCTURAL UNIT FOR BUILDING AN ELONGATED STRUCTURE COMPRISING A FIRST SECTION, A SECOND SECTION, AND A THIRD SECTION, ALL OF SAID SECTIONS BEING OF IDENTICAL CONFIGURATION AND EACH OF SAID SECTIONS COMPRISING: A HOLLOW TUBE HAVING A FIRST DIAMETER, A ROD LATERALLY SPACED FROM AND PARALLEL TO SAID TUBE, SAID ROD HAVING A SECOND DIAMETER LESS THAN SAID FIRST DIAMETER, A SLOT LONGITUDINALLY ALIGNED THROUGH SAID TUBE AND TRAVERSING THE ENTIRE LENGTH THEREOF, SAID SLOT HAVING A WIDTH LESS THAN SAID SECOND DIAMETER, MEANS FOR ATTACHING SAID ROD TO SAID TUBE, SAID MEANS BEING FIXEDLY ATTACHED AT ONE END TO SAID ROD AND AT THE OTHER END TO SAID TUBE AT AN ANGULAR DISTANCE OF 60* FROM SAID SLOT; THE ROD OF SAID FIRST SECTION BEING INSERTED INTO THE TUBE OF SAID SECOND SECTION SUCH THAT THE ATTACHING MEANS OF SAID FIRST SECTION PASS THROUGH THE SLOT OF SAID SECOND SECTION; THE ROD OF SAID SECOND SECTION BEING INSERTED INTO THE TUBE OF SAID THIRD SECTION SUCH THAT THE ATTACHING MEANS OF SAID SECOND SECTION PASS THROUGH THE SLOT OF SAID THIRD SECTION, AND THE ROD OF SAID THIRD SECTION BEING INSERTED IN THE TUBE OF SAID FIRST SECTION SUCH THAT THE ATTACHING MEANS OF SAID THIRD SECTION PASS THROUGH THE SLOT OF SAID FIRST SECTION.
Claim 2
Dependent Claim
217 words
A STRUCTURAL UNIT FOR BUILDING AN ELONGATED STRUCTURE COMPRISING A FIRST SECTION, A SECOND SECTION, AND A THIRD SECTION, ALL OF SAID SECTIONS BEING OF IDENTICAL CONFIGURATION AND EACH OF SAID SECTIONS COMPRISING: A HOLLOW TUBE HAVING A FIRST DIAMETER, A ROD LATERALLY SPACED FROM AND PARALLEL TO SAID TUBE, SAID ROD HAVING A SECOND DIAMETER LESS THAN SAID FIRST DIAMETER, A SLOT LONGITUDINALLY ALIGNED THROUGH SAID TUBE AND TRAVERSING THE ENTIRE LENGTH THEREOF, SAID SLOT HAVING A WIDTH LESS THAN SAID SECOND DIAMETER, MEANS FOR ATTACHING SAID ROD TO SAID TUBE, SAID MEANS BEING FIXEDLY ATTACHED AT ONE END TO SAID ROD AND AT THE OTHER END TO SAID TUBE AT AN ANGULAR DISTANCE OF 60* FROM SAID SLOT; THE ROD OF SAID FIRST SECTION BEING INSERTED INTO THE TUBE OF SAID SECOND SECTION SUCH THAT THE ATTACHING MEANS OF SAID FIRST SECTION PASS THROUGH THE SLOT OF SAID SECOND SECTION; THE ROD OF SAID SECOND SECTION BEING INSERTED INTO THE TUBE OF SAID THIRD SECTION SUCH THAT THE ATTACHING MEANS OF SAID SECOND SECTION PASS THROUGH THE SLOT OF SAID THIRD SECTION, AND THE ROD OF SAID THIRD SECTION BEING INSERTED IN THE TUBE OF SAID FIRST SECTION SUCH THAT THE ATTACHING MEANS OF SAID THIRD SECTION PASS THROUGH THE SLOT OF SAID FIRST SECTION.
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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |