Patent US3469578A successfully refreshed from Google Patents.
US3469578A
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Infusion device for ambulatory patients with flow control means
Assignee: HOWARD R BIERMAN
•
Filing: 1965-10-12
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Granted: 1969-09-30
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Expires: 1985-10-12
Abstract
No abstract record available.
Inventors
- 👤 Howard R Bierman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:22
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/168; A61M5/16877; A61M5/16881; A61M5/142; A61M5/145; A61M5/148; A61M5/152; A61M5/16804; Y; Y10; Y10S; Y10S128/00; Y10S128/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2261213A
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US2361818A
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US2506035A
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US2855933A
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US2876768A
Cited
US2816690A
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US2966282A
Cited
US2882543A
Cited
US3032037A
Cited
US3048171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |