Patent US2690568A successfully refreshed from Google Patents.
US2690568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Urinating device
Assignee: Individual
•
Filing: 1953-03-02
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Granted: 1954-10-05
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Expires: 1973-03-02
Abstract
No abstract record available.
Inventors
- 👤 Madonna C Willis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:35
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/451; A61F5/455; A61F5/4556
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |