Patent US4098226A successfully refreshed from Google Patents.
Patent US1689260A successfully refreshed from Google Patents.
US1689260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushion arch support
Assignee: Individual
•
Filing: 1925-09-02
•
Granted: 1928-10-30
•
Expires: 1945-09-02
Abstract
No abstract record available.
Inventors
- 👤 Strootman John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:18
CPC Classifications
A; A43; A43B; A43B21/00; A43B21/24; A43B21/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1931-10-30 | 1932-04-30 | 1932-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-10-30 | 1936-04-30 | 1936-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-10-30 | 1940-04-30 | 1940-10-30 | $7700.00 | Window Closed / Lapsed |