US3517155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of submerged-arc welding of thick metallic plates
Assignee: Linde GmbH
•
Filing: 1967-12-13
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Granted: 1970-06-23
•
Expires: 1987-12-13
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Mantel
- 👤 Lothar Wolff
- 👤 Anton Buchmeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:01
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2176664A
Cited
US2331937A
Cited
US2696547A
Cited
US3264445A
Cited
US3221135A
Cited
US3307014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |