US2526831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Footwear
Assignee: Individual
•
Filing: 1948-06-29
•
Granted: 1950-10-24
•
Expires: 1968-06-29
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm J Schaeffler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:37
CPC Classifications
A; A43; A43B; A43B19/00; A43B5/00; A43B5/04; A43B5/0486; A43B5/0488; A43B5/0498
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US387119A
Cited
US991036A
Cited
US1743689A
Cited
FR735094A
Cited
FR843697A
Cited
CH213614A
Cited
US2287026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |