Patent US2718690A successfully refreshed from Google Patents.
US2718690A
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US
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Method of producing composite metals
Assignee: Individual
•
Filing: 1950-05-20
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Granted: 1955-09-27
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Expires: 1970-05-20
Abstract
No abstract record available.
Inventors
- 👤 John B Ulam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:16
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/04; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/94; Y10S428/941; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/12917; Y10T428/12924
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2147407A
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US2249417A
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US2325659A
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US2414510A
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US2414511A
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US2468206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |