US3435475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe tree
Assignee: Individual
•
Filing: 1968-02-28
•
Granted: 1969-04-01
•
Expires: 1988-02-28
Abstract
No abstract record available.
Inventors
- 👤 Max Bisk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:36
CPC Classifications
A; A43; A43D; A43D3/00; A43D3/14; A43D3/1433; A43D3/1491; A43D3/1466; A43D3/1475
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |