Patent US2691373A successfully refreshed from Google Patents.
US2691373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colon flushing nozzle with dissolvable tip
Assignee: Individual
•
Filing: 1951-11-15
•
Granted: 1954-10-12
•
Expires: 1971-11-15
Abstract
No abstract record available.
Inventors
- 👤 Julien A Bried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:03
CPC Classifications
A; A61; A61M; A61M3/00; A61M3/02; A61M3/0233
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2603217A
Cited
US801924A
Cited
US1497264A
Cited
US1710540A
Cited
US2484290A
Cited
US2538215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-11 | 1958-04-12 | 1958-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-11 | 1962-04-12 | 1962-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-11 | 1966-04-12 | 1966-10-12 | $7700.00 | Window Closed / Lapsed |