US2926433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic slipper
Assignee: Individual
•
Filing: 1958-04-18
•
Granted: 1960-03-01
•
Expires: 1978-04-18
Abstract
No abstract record available.
Inventors
- 👤 Kramer Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:24
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/26; A43B3/10; A43B3/108
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1578195A
Cited
US2149552A
Cited
US2252315A
Cited
US2267540A
Cited
US2298941A
Cited
US2563092A
Cited
US2603891A
Cited
US2798311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |