Patent US3416167A successfully refreshed from Google Patents.
US3416167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilated toilet
Assignee: WILLIAM R KLEMME
•
Filing: 1967-02-08
•
Granted: 1968-12-17
•
Expires: 1987-02-08
Abstract
No abstract record available.
Inventors
- 👤 William R Klemme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:32
CPC Classifications
E; E03; E03D; E03D9/00; E03D9/04; E03D9/05; E03D9/052
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US261155A
Cited
US749875A
Cited
US688234A
Cited
US1666465A
Cited
US1794635A
Cited
US2079733A
Cited
US2122687A
Cited
US2160213A
Cited
US2286555A
Cited
US2743462A
Cited
US3108289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |