US2498692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gastrointestinal tube
Assignee: Individual
•
Filing: 1949-01-04
•
Granted: 1950-02-28
•
Expires: 1969-01-04
Abstract
No abstract record available.
Inventors
- 👤 Mains Marshall Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:15
CPC Classifications
A; A61; A61J; A61J15/00; A61J15/0003; A61J15/0026; A61J15/0069; A61M; A61M25/00; A61M25/10; A61M31/00; A61J15/0007; A61J15/0073; A61M25/01; A61M25/0105; A61M25/0133; A61M25/0138
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1863234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |