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US2594086A
Expired / Lapsed
US
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Table supported abdominal retractor
Assignee: Individual
•
Filing: 1950-04-29
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Granted: 1952-04-22
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Expires: 1970-04-29
Abstract
No abstract record available.
Inventors
- 👤 David P Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:49
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/02; A61B17/0293
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US174799A
Cited
US1839726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |