Patent US2804414A successfully refreshed from Google Patents.
US2804414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chill iron alloy castings
Assignee: Eaton Corp
•
Filing: 1954-12-07
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Granted: 1957-08-27
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Expires: 1974-12-07
Abstract
No abstract record available.
Inventors
- 👤 Paul W Moss
- 👤 George W Moss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:12
CPC Classifications
C; C22; C22C; C22C37/00; C22C37/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A CHILLED CASTING, A PORTION OFWHICH IS OF CHILLED WHITE IRON AND THE REMAINDER OF WHICH IS GRAY IRON, CONTAINING SILICON 2.40 TO 3.05%, MANGANESE .70 TO 1.10%, CARBON 3.20 TO 3.65%. MOLYDBENUM .50 TO 1.00%, CHROMIUM .20 TO 1.00%, NICKEL 1.20 TO 2.00% AND THE BALANCE SUBSTANTIALLY ALL IRON.
Claim 2
Dependent Claim
50 words
A CHILLED CASTING, A PORTION OFWHICH IS OF CHILLED WHITE IRON AND THE REMAINDER OF WHICH IS GRAY IRON, CONTAINING SILICON 2.40 TO 3.05%, MANGANESE .70 TO 1.10%, CARBON 3.20 TO 3.65%. MOLYDBENUM .50 TO 1.00%, CHROMIUM .20 TO 1.00%, NICKEL 1.20 TO 2.00% AND THE BALANCE SUBSTANTIALLY ALL IRON.
References Cited (Backward Citations)
US1910034A
Cited
US2326730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |