US3498228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable infusion pump
Assignee: CHARLES A BLUMLE
•
Filing: 1967-05-01
•
Granted: 1970-03-03
•
Expires: 1987-05-01
Abstract
No abstract record available.
Inventors
- 👤 Charles A Blumle
- 👤 Leo J Blumle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:30
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/168; A61M5/172
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2351828A
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US2917751A
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US3048708A
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US2962610A
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US3073244A
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US3162772A
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US3262042A
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US3309602A
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US3333175A
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US3287721A
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US3364410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |