US2968046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction evacuated urinal
Assignee: Individual
•
Filing: 1959-03-20
•
Granted: 1961-01-17
•
Expires: 1979-03-20
Abstract
No abstract record available.
Inventors
- 👤 William A Duke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:21
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/451; A61F5/455; A61G; A61G9/00; A61G9/006; A61G2200/00; A61G2200/10; A61G2200/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE207859C
Cited
US190244A
Cited
US297119A
Cited
US1661002A
Cited
US920459A
Cited
US1893724A
Cited
GB608448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |