US2857556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conductive shoe
Assignee: Individual
•
Filing: 1955-04-11
•
Granted: 1958-10-21
•
Expires: 1975-04-11
Abstract
No abstract record available.
Inventors
- 👤 Russell W Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:02
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US495782A
Cited
US497822A
Cited
US2712099A
Cited
US871479A
Cited
US884681A
Cited
US2261072A
Cited
US2710366A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |