US2876768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-vacuum clysis unit
Assignee: Individual
•
Filing: 1952-12-26
•
Granted: 1959-03-10
•
Expires: 1972-12-26
Abstract
No abstract record available.
Inventors
- 👤 Howard C Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:09
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/142; A61M5/145; A61M5/148; A61M5/1483; A61M5/1486; Y; Y10; Y10S; Y10S128/00; Y10S128/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1086532A
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US1100191A
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US2121123A
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US2393578A
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US2564163A
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US2341114A
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US2513455A
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US2512568A
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US2653606A
Cited
US2673013A
Cited
US2597715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |