Patent US3069710A successfully refreshed from Google Patents.
US3069710A
Expired / Lapsed
US
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Combined control for base and motor of electric shoe polisher
Assignee: Dremel Manufacturing Co
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Filing: 1961-02-15
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Granted: 1962-12-25
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Expires: 1981-02-15
Abstract
No abstract record available.
Inventors
- 👤 Albert J Dremel
- 👤 Robert E Dremel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:25
CPC Classifications
A; A47; A47L; A47L23/00; A47L23/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1404759A
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US1506696A
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US1575986A
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US1695846A
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US1691417A
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US2180501A
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US2278794A
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US2661402A
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US2692932A
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US2774088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |