Patent US2934775A successfully refreshed from Google Patents.
US2934775A
Expired / Lapsed
US
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Power operated shoe care device
Assignee: Individual
•
Filing: 1956-04-23
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Granted: 1960-05-03
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Expires: 1976-04-23
Abstract
No abstract record available.
Inventors
- 👤 James D Bergstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:15
CPC Classifications
A; A47; A47L; A47L23/00; A47L23/04; A47L23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1998244A
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US2014119A
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US2392146A
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US2370323A
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US2444760A
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US2508541A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |