US2807288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sterile drop assembly
Assignee: Individual
•
Filing: 1954-09-01
•
Granted: 1957-09-24
•
Expires: 1974-09-01
Abstract
No abstract record available.
Inventors
- 👤 Robert F Shea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:20
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/02; B65D1/08; A; A61; A61J; A61J1/00; A61J1/14; A61J1/1443; A61J1/145; A61J1/1456
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2011891A
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US2564163A
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US2502298A
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US2541272A
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US2497980A
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US2684789A
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US2655152A
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US2773521A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |