US3199512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valved dilating device for hygienic irrigation
Assignee: DENAB LAB Inc
•
Filing: 1963-02-01
•
Granted: 1965-08-10
•
Expires: 1983-02-01
Abstract
No abstract record available.
Inventors
- 👤 John J Cavanaugh
- 👤 Burton L Forbes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:49
CPC Classifications
A; A61; A61M; A61M29/00; A61M29/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1212086A
Cited
US1697834A
Cited
DE624117C
Cited
US1943110A
Cited
US2442278A
Cited
US2924218A
Cited
US3039462A
Cited
US3043305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |