Patent US2994330A successfully refreshed from Google Patents.
US2994330A
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Ultrasonic brush and comb cleaner
Assignee: BERYL G CATLIN
•
Filing: 1959-08-25
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Granted: 1961-08-01
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Expires: 1979-08-25
Abstract
No abstract record available.
Inventors
- 👤 Beryl G Catlin
- 👤 Michael G Kunec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:08
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/26; A47L15/30; A47L15/33; A45; A45D; A45D24/00; A45D24/40; A45D24/44; A46; A46B; A46B17/00; A46B17/06; A47L15/02; A47L15/13; B; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/12; A47L2601/00; A47L2601/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1323216A
Cited
US1279683A
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US1398022A
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US1793798A
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US2468550A
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US2707961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |