US2193322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controllable transfer element for multiple compartment ampules
Assignee: COOK LAB Inc
•
Filing: 1938-04-30
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Granted: 1940-03-12
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Expires: 1958-04-30
Abstract
No abstract record available.
Inventors
- 👤 Lozier Matthew
- 👤 Frost Clayton Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:19
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/24; A61M5/2448; A61M5/2455; A61M5/2459; A61M5/31; A61M5/32; A61M5/329; A61M5/3291; A61M5/34; A61M5/344
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-03-12 | 1943-09-11 | 1944-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-03-12 | 1947-09-11 | 1948-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-03-12 | 1951-09-11 | 1952-03-12 | $7700.00 | Window Closed / Lapsed |