Patent US3468308A successfully refreshed from Google Patents.
US3468308A
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US
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Pressure infusion device for ambulatory patients with pressure control means
Assignee: HOWARD R BIERMAN
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Filing: 1966-01-17
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Granted: 1969-09-23
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Expires: 1986-01-17
Abstract
No abstract record available.
Inventors
- 👤 Howard R Bierman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:56
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/142; A61M5/145; A61M5/148; A61M5/152; Y; Y10; Y10S; Y10S128/00; Y10S128/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2597715A
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US2761445A
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US2876768A
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US2816690A
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US2847007A
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US2842123A
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US3048171A
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US3244326A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |