US3589873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and assembly for the joining of elements of different materials
Assignee: Linde GmbH
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Filing: 1968-09-03
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Granted: 1971-06-29
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Expires: 1988-09-03
Abstract
Abstract FLAT OR TUBULAR ELEMENTS OF DIFFICULTLY BONADABLE MATERIALS ARE JOINED TOGETHER WITH THE AID OF A TRANSITION PIECE IN WHICH LAYERS OF THESE MATERIALS ARE BONDED TO ONE ANOTHER, EACH LAYER PROJECTING BEYOND THE REMAINING LAYER OR LAYERS AT ONE MORE LOCATION AT WHICH IT IS WELDED OR OTHERWISE FUSED TO THE CORRESPONDING ELEMENT.
Inventors
- 👤 Leonhard Poth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:04
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/23; F; F16; F16B; F16B5/00; F16B5/08; F16B7/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12389; Y10T428/12493; Y10T428/12639; Y10T428/12646; Y10T428/12653; Y10T428/12736; Y10T428/1275; Y10T428/12757; Y10T428/12764; Y10T428/12771; Y10T428/12778; Y10T428/12986
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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |