Patent US2728088A successfully refreshed from Google Patents.
US2728088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilated seat and cover assembly for toilet bowls
Assignee: Individual
•
Filing: 1953-05-27
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Granted: 1955-12-27
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Expires: 1973-05-27
Abstract
No abstract record available.
Inventors
- 👤 Gudish William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:44
CPC Classifications
E; E03; E03D; E03D9/00; E03D9/04; E03D9/05; E03D9/052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US988273A
Cited
US1173520A
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US1794635A
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US2032257A
Cited
GB415416A
Cited
US2122687A
Cited
US2164320A
Cited
US2279870A
Cited
US2286555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |