Patent US3377013A successfully refreshed from Google Patents.
US3377013A
Expired / Lapsed
US
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Process and device for welding seams
Assignee: Messer Griesheim GmbH
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Filing: 1966-04-22
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Granted: 1968-04-09
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Expires: 1986-04-22
Abstract
No abstract record available.
Inventors
- 👤 Hahne Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:33
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/025; B23K9/0253; B21; B21C; B21C37/00; B21C37/06; B21C37/08; B21C37/0822; B23K37/00; B23K37/04; B23K37/0408
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A DEVICE FOR THE AUTOMATIC WELDING OF A LONGITUDINAL SEAM, CHARACTERIZED IN CLAMPING MEANS FOR HOLDING THE SEAM EDGES, SAID CLAMPING MEANS INCLUDING A CROSSPIECE ADAPTED TO BE POSITIONED ABOVE THE SEAM EDGES, UPPER CLAMPING JAW MEANS MOUNTED ON SAID CROSSPIECE, LOWER CLAMPING JAW MEANS FOR MOVING TOWARD SAID UPPER JAW MEANS TO LOCK THE SEAM EDGES THEREBETWEEN, WELDING MEANS, AND GUIDE MEANS ON SAID CROSSPIECE FOR MOVING SAID WELDING MEANS OVER SAID SEAM EDGES.
Claim 2
Independent Claim
75 words
A DEVICE FOR THE AUTOMATIC WELDING OF A LONGITUDINAL SEAM, CHARACTERIZED IN CLAMPING MEANS FOR HOLDING THE SEAM EDGES, SAID CLAMPING MEANS INCLUDING A CROSSPIECE ADAPTED TO BE POSITIONED ABOVE THE SEAM EDGES, UPPER CLAMPING JAW MEANS MOUNTED ON SAID CROSSPIECE, LOWER CLAMPING JAW MEANS FOR MOVING TOWARD SAID UPPER JAW MEANS TO LOCK THE SEAM EDGES THEREBETWEEN, WELDING MEANS, AND GUIDE MEANS ON SAID CROSSPIECE FOR MOVING SAID WELDING MEANS OVER SAID SEAM EDGES.
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) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |