Patent US2798487A successfully refreshed from Google Patents.
US2798487A
Expired / Lapsed
US
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Syringe assembly
Assignee: Becton Dickinson and Co
•
Filing: 1952-05-09
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Granted: 1957-07-09
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Expires: 1972-05-09
Abstract
No abstract record available.
Inventors
- 👤 Garwood W Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:15
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/31; A61M5/32; A61M5/34; A61M5/343
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US657440A
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US1143855A
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US1948982A
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FR957829A
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US2490552A
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US2551414A
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US2538391A
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US2604095A
Cited
US2666434A
Cited
US2693803A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |