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US2931359A
Expired / Lapsed
US
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Hygienic device for cleansing the vagina
Assignee: Individual
•
Filing: 1957-07-25
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Granted: 1960-04-05
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Expires: 1977-07-25
Abstract
No abstract record available.
Inventors
- 👤 Max H Knoch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:54
CPC Classifications
A; A61; A61M; A61M3/00; A61M3/02; A61M3/0279; A61M3/0283; A61M1/00; A61M1/71; A61M1/77; A61M1/772
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US764996A
Cited
US2576766A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |