US2664087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medicinal slipper
Assignee: JOHN J LAWLER
•
Filing: 1950-08-16
•
Granted: 1953-12-29
•
Expires: 1970-08-16
Abstract
No abstract record available.
Inventors
- 👤 Herbert R Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:11
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/16; A43B3/163; A61; A61H; A61H35/00; A61H35/006; A61H2201/00; A61H2201/10; A61H2201/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189700734A
Cited
US1522890A
Cited
US1980486A
Cited
GB417187A
Cited
US2281160A
Cited
US2565751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |