Patent US2479396A successfully refreshed from Google Patents.
US2586488A
Expired / Lapsed
US
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Table supported surgical retractor
Assignee: Individual
•
Filing: 1949-05-11
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Granted: 1952-02-19
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Expires: 1969-05-11
Abstract
No abstract record available.
Inventors
- 👤 David P Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:01
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/02; A61B17/0293
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US497064A
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US1230873A
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US1378050A
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US1400616A
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US1613141A
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US1584781A
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US1747799A
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US2459033A
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US2493598A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |