US2230218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gastro-intestinal treatment system
Assignee: Individual
•
Filing: 1938-06-02
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Granted: 1941-02-04
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Expires: 1958-06-02
Abstract
No abstract record available.
Inventors
- 👤 Walter F Asche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:43
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0067; A61M25/0068; A61M25/007; A61J; A61J15/00; A61J15/0003; A61J15/0026; A61J15/0069; A61M1/00; A61M1/84; A61M1/85; A61J15/0073; A61J15/0096; A61M1/80; A61M1/802; A61M2210/00; A61M2210/10; A61M2210/1042; A61M2210/1053; A61M2210/1057; A61M25/0021; A61M25/0023; A61M25/0026; A61M25/0032
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) | 1944-02-04 | 1944-08-05 | 1945-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-02-04 | 1948-08-05 | 1949-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-02-04 | 1952-08-05 | 1953-02-04 | $7700.00 | Window Closed / Lapsed |