Patent US3046988A successfully refreshed from Google Patents.
US3046988A
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US
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Esophageal nasogastric tube
Assignee: Davol Rubber Co
•
Filing: 1958-12-01
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Granted: 1962-07-31
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Expires: 1978-12-01
Abstract
No abstract record available.
Inventors
- 👤 William J Moreau
- 👤 Leon R Nodine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:21
CPC Classifications
A; A61; A61J; A61J15/00; A61J15/0026; A61J15/0053; A61J15/0061; A61B; A61B90/00; A61J15/0003; A61J15/003; A61J15/0046; A61J15/0049; A61F; A61F13/00; A61F2013/00361; A61F2013/00365; A61F2013/00463; A61J15/008; A61J15/0088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1920006A
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US2898913A
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US2831487A
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US2799273A
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US2813531A
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US2849001A
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US2892458A
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US2936760A
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US2854982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |