US3582318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-resistant crack-resistant ductile steel weld deposit
Assignee: Mckay Co
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Filing: 1967-09-05
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Granted: 1971-06-01
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Expires: 1987-09-05
Abstract
Abstract A HEAT-RESISTANT HIGH SILICON CHROMIUM-NICKEL AUSTENITIC STEEL WELD DEPOSIT POSSESSED OF GOOD DUCTILITY AND SUPERIOR CRACK RESISTANCE CONSISTING ESSENTIALLY OF THE FOLLOWING COMPOSITION: PERCENT CARBON 0.4 MAXIMUM MANGANESE 2.5 TO 9.0 SILICON 0.50 TO 1.20 CHROMIUM 14.0 TO 30.0 NICKEL 28.0 TO 50.0 IRON 12.0 MINIMUM MOLYBDENUM 0 TO 4.0 MANGANESE EQUIVALENT (PERCENT MN + 20 X PERCENT C +.25 X PERCENT MO-4X PERCENT SI)-4.7 MINIMUM.
Inventors
- 👤 Edwin R Szumachowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:51
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3053; B23K35/3066
Claims Analysis
Total Claims: 0
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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) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |