US2771691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushioned foot protector
Assignee: J W Landenberger & Co
•
Filing: 1954-09-22
•
Granted: 1956-11-27
•
Expires: 1974-09-22
Abstract
No abstract record available.
Inventors
- 👤 Morton G Luchs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:56
CPC Classifications
A; A43; A43B; A43B17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US832550A
Cited
US1741340A
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US1659171A
Cited
GB287766A
Cited
US1841942A
Cited
GB452492A
Cited
US2075610A
Cited
US2142981A
Cited
US2411901A
Cited
US2454836A
Cited
US2628438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |