Patent US2832339A successfully refreshed from Google Patents.
US2832339A
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US
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Hypodermic injector
Assignee: POTTER PHARMACEUTICAL Corp
•
Filing: 1953-09-02
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Granted: 1958-04-29
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Expires: 1973-09-02
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Sarnoff
- 👤 David M Potter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:07
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/20; A61M5/2033; A61M5/31; A61M5/315; A61M5/31511; A61M2005/2073; A61M5/206; A61M5/32; A61M5/329; A61M5/3291; Y; Y10; Y10T; Y10T74/00; Y10T74/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US159192A
Cited
US542957A
Cited
GB190905440A
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US2168437A
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US2348337A
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US2322245A
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US2489600A
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GB685178A
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US2679843A
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US2696212A
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US2693186A
Cited
US2704072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |