US2434775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making foamlike mass of metal
Assignee: Individual
•
Filing: 1943-05-08
•
Granted: 1948-01-20
•
Expires: 1963-05-08
Abstract
No abstract record available.
Inventors
- 👤 Sosnick Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:08
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/08; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12479
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1252887A
Cited
US1648954A
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US1570763A
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US1814072A
Cited
US1924826A
Cited
US1728942A
Cited
US1893879A
Cited
US2082313A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-19 | 1951-07-21 | 1952-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-19 | 1955-07-21 | 1956-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-19 | 1959-07-21 | 1960-01-20 | $7700.00 | Window Closed / Lapsed |