Patent US1539577A successfully refreshed from Google Patents.
US2961678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe polishing device
Assignee: Individual
•
Filing: 1957-10-02
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Granted: 1960-11-29
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Expires: 1977-10-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Kenneth F Maclellan
- 👤 Frederick W Wanzenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:03
CPC Classifications
A; A47; A47L; A47L23/00; A47L23/04; A47L23/10; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1607366A
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US1744532A
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US2205063A
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US2523909A
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US2565887A
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US2491864A
Cited
US2546705A
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US2679887A
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US2599095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |