US2676393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making clad metal
Assignee: Individual
•
Filing: 1950-05-24
•
Granted: 1954-04-27
•
Expires: 1970-05-24
Abstract
No abstract record available.
Inventors
- 👤 Leon J Lieberman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:38
CPC Classifications
B; B22; B22F; B22F7/00; B24; B24D; B24D18/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12069
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2053096A
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US2178527A
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US2241095A
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US2301332A
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US2332746A
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US2381941A
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GB568786A
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US2390452A
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US2416400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |