Patent US3452745A successfully refreshed from Google Patents.
US3452745A
Expired / Lapsed
US
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Hand-operated pulsating cleaning device
Assignee: JORDAN I KUNIK
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Filing: 1966-09-23
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Granted: 1969-07-01
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Expires: 1986-09-23
Abstract
No abstract record available.
Inventors
- 👤 Seymour M Hutchinson
- 👤 Adrian N Spitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:46
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/02; A61C17/028; B; B05; B05B; B05B11/00; B05B11/01; B05B11/10; B05B11/1001; B05B11/1015; B05B15/00; B05B15/60; B05B15/65; B05B15/652
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |