US2147407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing composite metals
Assignee: Huntington Alloys Corp
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Filing: 1933-11-07
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Granted: 1939-02-14
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Expires: 1953-11-07
Abstract
No abstract record available.
Inventors
- 👤 Frederick P Huston
- 👤 Wesley Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:54
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/24; F01D25/243; B; B23; B23K; B23K20/00; B23K20/22; B23K20/227; Y; Y10; Y10S; Y10S29/00; Y10S29/039; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/937; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958; Y10T428/12965
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-02-13 | 1942-08-15 | 1943-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-02-13 | 1946-08-15 | 1947-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-02-13 | 1950-08-15 | 1951-02-14 | $7700.00 | Window Closed / Lapsed |