US3279050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mash seam weld method
Assignee: Interlake Iron Corp
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Filing: 1964-09-23
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Granted: 1966-10-18
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Expires: 1984-09-23
Abstract
No abstract record available.
Inventors
- 👤 Simich Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:13
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/06; B23K11/061; B21; B21B; B21B15/00; B21B15/0085; B21B39/00; B21B39/006; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49861
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
78 words
THE METHOD OF WELDING TOGETHER TWO FLAT METAL STRIP PORTIONS COMPRISING ABUTTING THE TWO STRIP PORTIONS ALONG ADJACENT STRIP EDGES, FORMING A WELDED JOINT AT THE ADJACENT STRIP EDGES, AND PROGRESSIVELY ROLLING THE WELDED JOINT ALONG ITS LENGTH FROM END TO END WITH SUFFICIENT ROLLING PRESSURE TO FLATTEN ONLY AN INCREMENT OF THE WELDED JOINT WHILE EMPLOYING THE STRIP PORTIONS AS A GAUGE TO LIMIT THE FLATTENING OF THE WELDED JOINT TO THE THICKNESS OF THE STRIP PORTIONS.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |