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Patent US2428339A successfully refreshed from Google Patents.
US2428339A
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Shoe buffing device
Assignee: Individual
•
Filing: 1945-04-07
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Granted: 1947-09-30
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Expires: 1965-04-07
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Quinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:49
CPC Classifications
A; A47; A47L; A47L23/00; A47L23/04; A47L23/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US774380A
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US1217848A
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US1668084A
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FR601672A
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US1773734A
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US1785512A
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US1818930A
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US2137958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-29 | 1951-03-31 | 1951-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-29 | 1955-03-31 | 1955-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-29 | 1959-03-31 | 1959-09-30 | $7700.00 | Window Closed / Lapsed |