Patent US3373752A successfully refreshed from Google Patents.
US3373752A
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US
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Method for the ultrasonic cleaning of surfaces
Assignee: Individual
•
Filing: 1963-11-12
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Granted: 1968-03-19
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Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Inoue Kiyoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:43
CPC Classifications
B; B05; B05B; B05B17/00; B05B17/04; B05B17/06; B05B17/0607; B05B17/0623; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/12; B08B2203/00; B08B2203/02; B08B2203/0288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1738565A
Cited
US2453595A
Cited
US2481620A
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US2647846A
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FR978290A
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US2828231A
Cited
US2789008A
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US2766064A
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US2980123A
Cited
US2850854A
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US2947312A
Cited
US3081946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |