US3553823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for constructing light-metal frameworks for transport containers, and a framework constructed according to the method
Assignee: Svenska Metallverken AB
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Filing: 1967-11-15
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Granted: 1971-01-12
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Expires: 1987-11-15
Abstract
Abstract A METHOD WHEREIN THE LIGHT-METAL FRAMEWORK OF A TRANSPORT CONTAINER IS ASSEMBLED WITH THE ASSISTANCE OF CORNER PIECES. THE CORNER PIECES ARE FORMED BY ASSEMBLING AND WELDING TOGETHER EXTRUDED LIGHT-METAL SHAPES IN THE FORM OF BOX-LIKE STRUCTURES, THE RESULTING BOX-LIKE CORNER PIECES THEN BEING WELDED TO THE ADJACENT ENDS OF THE STRUCTURAL BARS OF THE FRAMEWORK.
Inventors
- 👤 Karl Uno Torsten Alfredsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:11
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/0026; B65D88/00; B65D88/02; B65D88/12; B65D88/121; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |