US3123907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
figures
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:10
CPC Classifications
B; B21; B21D; B21D47/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T156/1052; Y10T156/1062; Y10T156/1066; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49861; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
THAT METHOD OF FABRICATING A CORE STRUCTURE HAVING A CURVATURE FACE FOR A HIGH STRENGTH LAMINATED CELLULAR MATERIAL HAVING NON-PLANAR EXTERIOR SURFACES, SAID METHOD COMPRISING ARRANGING THIN-WALLED SMALL DIAMETER METAL TUBES IN CONTACTING SIDE-BY-SIDE RELATION, OFF-SETTING THE ENDS OF ADJACENT TUBES WITH A PORTION OF ONE END EDGE OF EACH LYING IN A DESIRED CURVED FACE DESIRED IN THE FINISHED CORE AND THE REMAINDER OF THE END PORTION OF EACH PROJECTING OUTWARDLY BEYOND SAID CURVED FACE, APPLYING A BONDING AGENT TO THE EXTERIOR OF SAID TUBES, HOLDING THE TUBES FIRMLY PRESSED TOGETHER WHILE SUBJECTING THE SAME TO A TEMPERATURE ADEQUATE TO FUSE THE BONDING AGENT, COOLING SAID TUBES UNTIL THE FUSED BONDING AGENT TAKES A SET, REMOVING THAT PORTION OF THE ENDS OF SAID TUBES AT ONE END THEREOF PROJECTING BEYOND SAID DESIRED CURVED SURFACE TO PROVIDE A CORE STRUCTURE HAVING A CURVATE FACE CROSSWISE OF SAID ONE END OF SAID TUBES, AND BONDING A FACE SHEET OF THIN FLEXIBLE MATERIAL TO SAID CURVATE FACE OF SAID TUBE ENDS.
Claim 2
Dependent Claim
169 words
THAT METHOD OF FABRICATING A CORE STRUCTURE HAVING A CURVATURE FACE FOR A HIGH STRENGTH LAMINATED CELLULAR MATERIAL HAVING NON-PLANAR EXTERIOR SURFACES, SAID METHOD COMPRISING ARRANGING THIN-WALLED SMALL DIAMETER METAL TUBES IN CONTACTING SIDE-BY-SIDE RELATION, OFF-SETTING THE ENDS OF ADJACENT TUBES WITH A PORTION OF ONE END EDGE OF EACH LYING IN A DESIRED CURVED FACE DESIRED IN THE FINISHED CORE AND THE REMAINDER OF THE END PORTION OF EACH PROJECTING OUTWARDLY BEYOND SAID CURVED FACE, APPLYING A BONDING AGENT TO THE EXTERIOR OF SAID TUBES, HOLDING THE TUBES FIRMLY PRESSED TOGETHER WHILE SUBJECTING THE SAME TO A TEMPERATURE ADEQUATE TO FUSE THE BONDING AGENT, COOLING SAID TUBES UNTIL THE FUSED BONDING AGENT TAKES A SET, REMOVING THAT PORTION OF THE ENDS OF SAID TUBES AT ONE END THEREOF PROJECTING BEYOND SAID DESIRED CURVED SURFACE TO PROVIDE A CORE STRUCTURE HAVING A CURVATE FACE CROSSWISE OF SAID ONE END OF SAID TUBES, AND BONDING A FACE SHEET OF THIN FLEXIBLE MATERIAL TO SAID CURVATE FACE OF SAID TUBE ENDS.
References Cited (Backward Citations)
US2063005A
Cited
US2503450A
Cited
GB609313A
Cited
US2540482A
Cited
US2693922A
Cited
US2746139A
Cited
US2756496A
Cited
US2988809A
Cited
US2926490A
Cited
US2956651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |