Patent US2492458A successfully refreshed from Google Patents.
US2492458A
Expired / Lapsed
US
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Fibrin foam
Assignee: Individual
•
Filing: 1944-12-08
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Granted: 1949-12-27
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Expires: 1964-12-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Edgar A Bering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:26
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/32; A61L15/42; A61L15/425; A61L2400/00; A61L2400/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US650003A
Cited
US1513949A
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US1593814A
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US2160503A
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US2385803A
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US2385802A
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US2369111A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |