US3068095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloy steels
Assignee: Wilson Brothers
•
Filing: 1959-05-29
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Granted: 1962-12-11
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Expires: 1979-05-29
Abstract
No abstract record available.
Inventors
- 👤 Iii Harry L Anthony
- 👤 Gopal K Bhat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:48
CPC Classifications
C; C21; C21C; C21C7/00; C22; C22C; C22C38/00; C22C38/18; C22C38/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A HIGH STRENGTH ARTICLE MADE FROM A WORKED ALLOY STEEL CONSISTING ESSENTIALLY OF CARBON ABOUT 0.35% TO ABOUT 0.43%, MANGANESE ABOUT 0.60% TO ABOUT 1.10%, PHOSPHORUS ABOUT 0.025% MAXIMUM, SULFUR ABOUT 0.025% MAXIMUM, SILICON ABOUT 0.60% TO ABOUT 1.09%, CHROMIUM ABOUT 0.80% TO ABOUT 1.36%, MOLYBDENUM ABOUT 0.25% TO ABOUT 0.27%, VANADIUM ABOUT 0.10% TO ABOUT 0.25%, COBALT ABOUT 0.85% TO ABOUT 1.30%, AND THE BALANCE IRON WITH USUAL IMPURITIES IN ORDINARY AMOUNTS, SAID ARTICLE BEING CHARACTERIZED BY A 0.2% OFFSET YIELD STRENGTH IN EXCESS OF ABOUT 225,000 P.S.I. AND AN ULTUMATE TENSILE STRENGTH ABOUT 40,000 P.S.I. GREATER THAN THE YIELD STRENGTH.
Claim 2
Dependent Claim
102 words
A HIGH STRENGTH ARTICLE MADE FROM A WORKED ALLOY STEEL CONSISTING ESSENTIALLY OF CARBON ABOUT 0.35% TO ABOUT 0.43%, MANGANESE ABOUT 0.60% TO ABOUT 1.10%, PHOSPHORUS ABOUT 0.025% MAXIMUM, SULFUR ABOUT 0.025% MAXIMUM, SILICON ABOUT 0.60% TO ABOUT 1.09%, CHROMIUM ABOUT 0.80% TO ABOUT 1.36%, MOLYBDENUM ABOUT 0.25% TO ABOUT 0.27%, VANADIUM ABOUT 0.10% TO ABOUT 0.25%, COBALT ABOUT 0.85% TO ABOUT 1.30%, AND THE BALANCE IRON WITH USUAL IMPURITIES IN ORDINARY AMOUNTS, SAID ARTICLE BEING CHARACTERIZED BY A 0.2% OFFSET YIELD STRENGTH IN EXCESS OF ABOUT 225,000 P.S.I. AND AN ULTUMATE TENSILE STRENGTH ABOUT 40,000 P.S.I. GREATER THAN THE YIELD STRENGTH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |