US3349952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforcement structure for shipping containers made of light gauge steel or the like
Assignee: Inland Steel Co
•
Filing: 1966-05-03
•
Granted: 1967-10-31
•
Expires: 1986-05-03
Abstract
No abstract record available.
Inventors
- 👤 Bijvoet Leonardus Arn Nicolaas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:10
CPC Classifications
B; B65; B65D; B65D7/00; B65D7/42; B65D7/48; B65D7/12; B65D7/34; B65D7/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A SHIPPING CONTAINER COMPRISING, IN COMBINATION, A GENERALLY CYLINDRICAL SIDE WALL HAVING A DIAMETER D, CLOSURE MEANS FOR SAID CONTAINER INCLUDING AN END MEMBER SECURED TO AT LEAST ONE EXTREMITY OF SAID SIDE WALL, SAID END MEMBER BEING FORMED TO SHEET METAL HAVING A GUAGE G, SAID END MEMBER INCLUDING A GENERALLY FLAT CENTRAL PORTION AND AN INTEGRAL, CIRCUMFERENTIALLY DISPOSED UPSTANDING FLANGE SURROUNDING SAID CENTRAL PORTION AND IN ENGAGEMENT WITH THE INNER SURFACE OF SAID SIDE WALL, THE JUNCTION BETWEEN SAID CENTER PORTION AND SAID FLANGE COMPRISING A SMOOTH FLUENT BEND HAVING AN INSIDE RADIUS OF CURVATURE R1, AND A METALLIC REINFORCING RING AT LEAST PARTIALLY ENVELOPING SAID FLANGE AND THE ADJACENT EXTREMITY OF SAID SIDE WALL, SAID RING HAVING A FIRST PORTION ENGAGING THE INNER SURFACE OF SAID FLANGE AND A SECOND ANNULAR PORTION INTEGRAL WITH SAID FIRST PORTION AND EXTENDING INWARDLY THEREFROM, SAID SECOND PORTION OF SAID RING BEING ENTIRELY ARCUATE IN CROSS SECTION AND HAVING AN OUTSIDE RADIUS OF CURVATURE R2 WITH SAID FIRST
Claim 2
Dependent Claim
167 words
A SHIPPING CONTAINER COMPRISING, IN COMBINATION, A GENERALLY CYLINDRICAL SIDE WALL HAVING A DIAMETER D, CLOSURE MEANS FOR SAID CONTAINER INCLUDING AN END MEMBER SECURED TO AT LEAST ONE EXTREMITY OF SAID SIDE WALL, SAID END MEMBER BEING FORMED TO SHEET METAL HAVING A GUAGE G, SAID END MEMBER INCLUDING A GENERALLY FLAT CENTRAL PORTION AND AN INTEGRAL, CIRCUMFERENTIALLY DISPOSED UPSTANDING FLANGE SURROUNDING SAID CENTRAL PORTION AND IN ENGAGEMENT WITH THE INNER SURFACE OF SAID SIDE WALL, THE JUNCTION BETWEEN SAID CENTER PORTION AND SAID FLANGE COMPRISING A SMOOTH FLUENT BEND HAVING AN INSIDE RADIUS OF CURVATURE R1, AND A METALLIC REINFORCING RING AT LEAST PARTIALLY ENVELOPING SAID FLANGE AND THE ADJACENT EXTREMITY OF SAID SIDE WALL, SAID RING HAVING A FIRST PORTION ENGAGING THE INNER SURFACE OF SAID FLANGE AND A SECOND ANNULAR PORTION INTEGRAL WITH SAID FIRST PORTION AND EXTENDING INWARDLY THEREFROM, SAID SECOND PORTION OF SAID RING BEING ENTIRELY ARCUATE IN CROSS SECTION AND HAVING AN OUTSIDE RADIUS OF CURVATURE R2 WITH SAID FIRST
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |