US3012752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve assembly
Assignee: Becton Dickinson and Co
•
Filing: 1958-08-14
•
Granted: 1961-12-12
•
Expires: 1978-08-14
Abstract
No abstract record available.
Inventors
- 👤 James R Buck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:57
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/04; F16K5/0414; Y; Y10; Y10S; Y10S251/00; Y10S251/904; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/86823
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2271349A
Cited
US2433732A
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US2554489A
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US2711846A
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US2832562A
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FR1116548A
Cited
FR1133818A
Cited
US2854027A
Cited
US2936777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |