US2525984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pattern composition
Assignee: Individual
•
Filing: 1946-04-19
•
Granted: 1950-10-17
•
Expires: 1966-04-19
Abstract
No abstract record available.
Inventors
- 👤 Weston Charles Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:21
CPC Classifications
B; B22; B22C; B22C7/00; B22C7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A PATTERN COMPOSITION FOR USE IN INVESTMENT MOLDING CONSISTING ESSENTIALLY OF ABOUT 8 PARTS BY WEIGHT OF STEARIC ACID AND ABOUT 1/4 TO 3 PARTS BY WEIGHT OF A STEARATE OF A METAL OF THE CLASS CONSISTING OF MAGNESIUM AND ALUMINUM.
Claim 2
Dependent Claim
41 words
A PATTERN COMPOSITION FOR USE IN INVESTMENT MOLDING CONSISTING ESSENTIALLY OF ABOUT 8 PARTS BY WEIGHT OF STEARIC ACID AND ABOUT 1/4 TO 3 PARTS BY WEIGHT OF A STEARATE OF A METAL OF THE CLASS CONSISTING OF MAGNESIUM AND ALUMINUM.
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US2020311A
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US1017032A
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US2084501A
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US2057456A
Cited
US2348756A
Cited
US2320644A
Cited
US2399262A
Cited
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Cited
US2402075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |