US2750601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laundry tub stopper
Assignee: Individual
•
Filing: 1954-02-26
•
Granted: 1956-06-19
•
Expires: 1974-02-26
Abstract
No abstract record available.
Inventors
- 👤 Houle Leon Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:18
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/08; D06F39/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US496438A
Cited
US1288013A
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US1713842A
Cited
US1601035A
Cited
US1789024A
Cited
US1993307A
Cited
US2274304A
Cited
DE857721C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |