US3185369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Backup for weld joints
Assignee: Lincoln Electric Co
•
Filing: 1959-10-14
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Granted: 1965-05-25
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Expires: 1979-10-14
Abstract
No abstract record available.
Inventors
- 👤 Donald M Patton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:50
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/035; B23K35/00; B23K35/02; B23K35/0255; B23K35/22; B23K35/36; B23K35/3601; B23K35/3603
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A WELD BACKUP STRIP FOR STEEL AND ITS ALLOYS CONSISTING ESSENTIALLY OF AT LEAT OF THE FOLLOWING INGREDIENTS SELECTED FROM THE CLASS CONSISTING OF THE FLUORIDES OF LITHIUM, CALCIUM, BARIUM, STRONTIUM, LANTHANUM, RARE EARTHS, MAGNESIUM, SODIUM, ZIRCONIUM, CHROMIUM, IRON, COBALT, NICKEL, CADMIUM, AND MANGANESE; AND THE CHLORIDES OF COPPER, LANTHANUM, THE RARE EARTHS, STRONTIUM, CALCIUM AND BARIUM, SAID INGREDIENTS BEING COMPLETELY INTERFUSED AND IN THE FORM OF A SOLID HOMOGENEOUS MASS HAVING A SURFACE AREA TO VOLUME RATIO LESS THAN 24 AND BEING PRESENT IN SUCH RELATIVE PROPORTIONS THAT THE MELTING TEMPERATURES IS LESS THAN 1535*C. AND MEANS FOR HOLDING SAID STRIP AS A UNIT DURING USE.
Claim 2
Dependent Claim
107 words
A WELD BACKUP STRIP FOR STEEL AND ITS ALLOYS CONSISTING ESSENTIALLY OF AT LEAT OF THE FOLLOWING INGREDIENTS SELECTED FROM THE CLASS CONSISTING OF THE FLUORIDES OF LITHIUM, CALCIUM, BARIUM, STRONTIUM, LANTHANUM, RARE EARTHS, MAGNESIUM, SODIUM, ZIRCONIUM, CHROMIUM, IRON, COBALT, NICKEL, CADMIUM, AND MANGANESE; AND THE CHLORIDES OF COPPER, LANTHANUM, THE RARE EARTHS, STRONTIUM, CALCIUM AND BARIUM, SAID INGREDIENTS BEING COMPLETELY INTERFUSED AND IN THE FORM OF A SOLID HOMOGENEOUS MASS HAVING A SURFACE AREA TO VOLUME RATIO LESS THAN 24 AND BEING PRESENT IN SUCH RELATIVE PROPORTIONS THAT THE MELTING TEMPERATURES IS LESS THAN 1535*C. AND MEANS FOR HOLDING SAID STRIP AS A UNIT DURING USE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |