US3193383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iron base alloy
Assignee: Elkem Metals Co LP
•
Filing: 1962-11-14
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Granted: 1965-07-06
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Expires: 1982-11-14
Abstract
No abstract record available.
Inventors
- 👤 James R Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:58
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/02; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3053; B23K35/3093
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
AN IRON BASE ALLOY CONSISTING ESSENTIALLY OF ABOUT 1.7 TO 3.8 PERCENT CARBON, ABOUT 1.8 TO 2.6 PERCENT SILICON, ABOUT 5 TO 6 PERCENT PHOSPHORUS, ABOUT .2 TO 2.0 PERCENT BORON, AND THE BALANCE IRON AND INCIDENTAL IMPURITIES.
Claim 2
Dependent Claim
38 words
AN IRON BASE ALLOY CONSISTING ESSENTIALLY OF ABOUT 1.7 TO 3.8 PERCENT CARBON, ABOUT 1.8 TO 2.6 PERCENT SILICON, ABOUT 5 TO 6 PERCENT PHOSPHORUS, ABOUT .2 TO 2.0 PERCENT BORON, AND THE BALANCE IRON AND INCIDENTAL IMPURITIES.
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |