US2994761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical basin and support
Assignee: Duke University
•
Filing: 1957-11-04
•
Granted: 1961-08-01
•
Expires: 1977-11-04
Abstract
No abstract record available.
Inventors
- 👤 Hart Julian Deryl
- 👤 George W Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:18
CPC Classifications
A; A61; A61B; A61B90/00; A61B90/80; Y; Y10; Y10T; Y10T403/00; Y10T403/59; Y10T403/599
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE404022C
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US519287A
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US522221A
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US170876A
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US681982A
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GB204225A
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US1647986A
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US1970790A
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US2187426A
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US2269689A
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US2517018A
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US2543052A
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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) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |