US3170253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe welt
Assignee: Caleres Inc
•
Filing: 1964-05-18
•
Granted: 1965-02-23
•
Expires: 1984-05-18
Abstract
No abstract record available.
Inventors
- 👤 Curtis R Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:56
CPC Classifications
A; A43; A43B; A43B15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2345738A
Cited
US2390485A
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US2775829A
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DE924426C
Cited
FR1150159A
Cited
US2921389A
Cited
US3046679A
Cited
US3078601A
Cited
US3113388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |