Patent US3228838A successfully refreshed from Google Patents.
US3371897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drain bag support assembly
Assignee: CR Bard Inc
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Filing: 1965-07-22
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Granted: 1968-03-05
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Expires: 1985-07-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank J Serany
- 👤 John C Vasta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:55
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/05; A61G7/0503; A61F; A61F5/00; A61F5/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1161595A
Cited
FR1234236A
Cited
GB937706A
Cited
US3237624A
Cited
US3231901A
Cited
US3253593A
Cited
US3251069A
Cited
US3254817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |