Patent US2692326A successfully refreshed from Google Patents.
US2692326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically heated shoe
Assignee: Individual
•
Filing: 1952-11-15
•
Granted: 1954-10-19
•
Expires: 1972-11-15
Abstract
No abstract record available.
Inventors
- 👤 Henry M Crowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:29
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/34; A43B3/35
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US721270A
Cited
US1288045A
Cited
US1701973A
Cited
US1702583A
Cited
US1918276A
Cited
US2028347A
Cited
US2025950A
Cited
US2342744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-18 | 1958-04-19 | 1958-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-18 | 1962-04-19 | 1962-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-18 | 1966-04-19 | 1966-10-19 | $7700.00 | Window Closed / Lapsed |