US2809407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a composite metal article
Assignee: Motors Liquidation Co
•
Filing: 1955-02-11
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Granted: 1957-10-15
•
Expires: 1975-02-11
Abstract
No abstract record available.
Inventors
- 👤 Robert F Thomson
- 👤 Fred J Webbere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:35
CPC Classifications
B; B22; B22D; B22D19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
THE METHOD OF MAKING A COMPOSITE ARTICLE WHICH COMPRISES METALLURGICALLY BONDING A METERED AMOUNT OF MOLTEN METAL TO THE INNER WALL OF A METALLIC TUBULAR BODY MEMBER ADJACENT ONLY ONE END THEREOF THEREBY FORMING TUBULAR ARTICLE HAVING A CLOSED END.
Claim 2
Independent Claim
40 words
THE METHOD OF MAKING A COMPOSITE ARTICLE WHICH COMPRISES METALLURGICALLY BONDING A METERED AMOUNT OF MOLTEN METAL TO THE INNER WALL OF A METALLIC TUBULAR BODY MEMBER ADJACENT ONLY ONE END THEREOF THEREBY FORMING TUBULAR ARTICLE HAVING A CLOSED END.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |