US2963723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe cleaning device
Assignee: Individual
•
Filing: 1957-05-17
•
Granted: 1960-12-13
•
Expires: 1977-05-17
Abstract
No abstract record available.
Inventors
- 👤 John J Nappi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:34
CPC Classifications
A; A47; A47L; A47L23/00; A47L23/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US825512A
Cited
GB190602965A
Cited
US868351A
Cited
US965176A
Cited
US1044762A
Cited
US1335388A
Cited
US1471826A
Cited
CH163235A
Cited
US2428476A
Cited
US2565894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |