US2795460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent dispersing device
Assignee: Individual
•
Filing: 1953-03-09
•
Granted: 1957-06-11
•
Expires: 1973-03-09
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Bletcher
- 👤 Irving A Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:13
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/04; E03C1/046; A; A47; A47L; A47L17/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/2526; Y10T137/8593; Y10T137/8597; Y10T137/87571; Y10T137/87587; Y10T137/87595; Y10T137/87619; Y10T137/87627; Y10T137/87676; Y10T137/87684
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1406903A
Cited
US1681362A
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US1682470A
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US2215000A
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US2381589A
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US2398445A
Cited
US2584630A
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US2540064A
Cited
US2612403A
Cited
US2585092A
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US2689767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |