US2957253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe provided with resiliently yieldable element
Assignee: Individual
•
Filing: 1958-02-25
•
Granted: 1960-10-25
•
Expires: 1978-02-25
Abstract
No abstract record available.
Inventors
- 👤 Meltzer Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:16
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/12; A43B3/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732634A
Cited
GB191172A
Cited
GB339919A
Cited
US1989613A
Cited
US2317870A
Cited
US2491297A
Cited
US2526940A
Cited
US2740207A
Cited
US2724913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |