US3387388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single vent system for dishwasher
Assignee: Westinghouse Electric Corp
•
Filing: 1965-12-17
•
Granted: 1968-06-11
•
Expires: 1985-12-17
Abstract
No abstract record available.
Inventors
- 👤 Hugh C Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:35
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/48; A47L15/488
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1947192A
Cited
US2422022A
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US3026628A
Cited
US3024074A
Cited
US3050866A
Cited
US3092122A
Cited
US3193340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |