Patent US2867531A successfully refreshed from Google Patents.
US2867531A
Expired / Lapsed
US
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Corrosion-resistant low alloy steel
Assignee: Motors Liquidation Co
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Filing: 1957-01-31
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Granted: 1959-01-06
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Expires: 1977-01-31
Abstract
No abstract record available.
Inventors
- 👤 James C Holzwarth
- 👤 Robert F Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:35
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/46; C22; C22C; C22C38/00; C22C38/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A CORROSION-RESISTANT LOW ALLOY STEEL COMPRISING ABOUT 0.03% TO 1% CARBON, 0.25% TO 1.5% MANGANESE, 0.05% TO 0.8% MOLYBDENUM, 0.02% TO 0.5% ARSENIC, 0.02% TO 0.5% ANTIMONY, 0.04% TO 0.25% TIN, AND THE BALANCE SUBSTANTIALLY ALL IRON.
Claim 2
Dependent Claim
37 words
A CORROSION-RESISTANT LOW ALLOY STEEL COMPRISING ABOUT 0.03% TO 1% CARBON, 0.25% TO 1.5% MANGANESE, 0.05% TO 0.8% MOLYBDENUM, 0.02% TO 0.5% ARSENIC, 0.02% TO 0.5% ANTIMONY, 0.04% TO 0.25% TIN, AND THE BALANCE SUBSTANTIALLY ALL IRON.
References Cited (Backward Citations)
CH150367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |