US2460669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe with integral insole and backstay
Assignee: Individual
•
Filing: 1945-11-13
•
Granted: 1949-02-01
•
Expires: 1965-11-13
Abstract
No abstract record available.
Inventors
- 👤 Fred L Ayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:10
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US252626A
Cited
US594299A
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US983604A
Cited
US1022458A
Cited
US1383947A
Cited
GB262602A
Cited
US1767698A
Cited
US2394725A
Cited
US2371703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-01 | 1952-08-02 | 1953-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-01 | 1956-08-02 | 1957-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-01 | 1960-08-02 | 1961-02-01 | $7700.00 | Window Closed / Lapsed |