Patent US1658754A successfully refreshed from Google Patents.
US1658754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medical irrigation apparatus
Assignee: Individual
•
Filing: 1924-08-20
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Granted: 1928-02-07
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Expires: 1944-08-20
Abstract
No abstract record available.
Inventors
- 👤 Wood Centa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:51
CPC Classifications
A; A61; A61M; A61M3/00; A61M3/02; A61M3/0279; A61M3/0283; A61M2205/00; A61M2205/05; A61M2205/054; A61M3/0204; A61M3/0208; A61M3/0212; A61M3/022; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/05; A61N1/0521
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) | 1931-02-06 | 1931-08-08 | 1932-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-02-06 | 1935-08-08 | 1936-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-02-06 | 1939-08-08 | 1940-02-07 | $7700.00 | Window Closed / Lapsed |