Patent US4152158A successfully refreshed from Google Patents.
Patent US2463153A successfully refreshed from Google Patents.
US2463153A
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Belt and rotary brushes for shoe cleaning
Assignee: Individual
•
Filing: 1946-02-13
•
Granted: 1949-03-01
•
Expires: 1966-02-13
Abstract
No abstract record available.
Inventors
- 👤 Elbert F Conklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:58
CPC Classifications
A; A47; A47L; A47L23/00; A47L23/22; A47L23/26; A47L23/263
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
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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) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |