US2671691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dishwashing tool or appliance
Assignee: Individual
•
Filing: 1953-03-11
•
Granted: 1954-03-09
•
Expires: 1973-03-11
Abstract
No abstract record available.
Inventors
- 👤 William N Schnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:38
CPC Classifications
A; A47; A47L; A47L17/00; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/8597; Y10T137/86187; Y10T137/86228; Y10T137/87571; Y10T137/87587; Y10T137/87619; Y10T137/87627; Y10T137/87676
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1532809A
Cited
US2069833A
Cited
US2616660A
Cited
US2545110A
Cited
US2540064A
Cited
US2641507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |